diff --git a/src/main/java/org/sopt/makers/operation/security/config/SecurityConfig.java b/src/main/java/org/sopt/makers/operation/config/SecurityConfig.java
similarity index 98%
rename from src/main/java/org/sopt/makers/operation/security/config/SecurityConfig.java
rename to src/main/java/org/sopt/makers/operation/config/SecurityConfig.java
index e9209e47..68be6136 100644
--- a/src/main/java/org/sopt/makers/operation/security/config/SecurityConfig.java
+++ b/src/main/java/org/sopt/makers/operation/config/SecurityConfig.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.security.config;
+package org.sopt.makers.operation.config;
 
 import lombok.RequiredArgsConstructor;
 import lombok.val;
diff --git a/src/main/java/org/sopt/makers/operation/dto/admin/LoginResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/admin/LoginResponseDTO.java
index 64fb28c3..fdabcf8c 100644
--- a/src/main/java/org/sopt/makers/operation/dto/admin/LoginResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/admin/LoginResponseDTO.java
@@ -1,8 +1,8 @@
 package org.sopt.makers.operation.dto.admin;
 
 import lombok.Builder;
-import org.sopt.makers.operation.entity.Admin;
-import org.sopt.makers.operation.entity.AdminStatus;
+import org.sopt.makers.operation.entity.admin.Admin;
+import org.sopt.makers.operation.entity.admin.AdminStatus;
 
 @Builder
 public record LoginResponseDTO(LoginResponseVO loginResponseVO, String refreshToken) {
diff --git a/src/main/java/org/sopt/makers/operation/dto/admin/SignUpRequestDTO.java b/src/main/java/org/sopt/makers/operation/dto/admin/SignUpRequestDTO.java
index 9ef629b9..2dda7189 100644
--- a/src/main/java/org/sopt/makers/operation/dto/admin/SignUpRequestDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/admin/SignUpRequestDTO.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.admin;
 
-import org.sopt.makers.operation.entity.Role;
+import org.sopt.makers.operation.entity.admin.Role;
 
 public record SignUpRequestDTO(
         String email,
diff --git a/src/main/java/org/sopt/makers/operation/dto/admin/SignUpResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/admin/SignUpResponseDTO.java
index a2dd5574..15616af4 100644
--- a/src/main/java/org/sopt/makers/operation/dto/admin/SignUpResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/admin/SignUpResponseDTO.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.admin;
 
-import org.sopt.makers.operation.entity.Role;
+import org.sopt.makers.operation.entity.admin.Role;
 
 public record SignUpResponseDTO(
         Long id,
diff --git a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceMemberResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceMemberResponseDTO.java
index ed0909b9..59705d21 100644
--- a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceMemberResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceMemberResponseDTO.java
@@ -2,9 +2,9 @@
 
 import java.util.List;
 
-import org.sopt.makers.operation.entity.Attendance;
-import org.sopt.makers.operation.entity.Member;
-import org.sopt.makers.operation.entity.SubAttendance;
+import org.sopt.makers.operation.entity.attendance.Attendance;
+import org.sopt.makers.operation.entity.member.Member;
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
 
 public record AttendanceMemberResponseDTO(
 	String name,
diff --git a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalResponseDTO.java
index 13cecdd6..42f509c5 100644
--- a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalResponseDTO.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.attendance;
 
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
 
 import java.util.List;
diff --git a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalVO.java b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalVO.java
index 0d576ca2..b18df121 100644
--- a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalVO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendanceTotalVO.java
@@ -1,7 +1,7 @@
 package org.sopt.makers.operation.dto.attendance;
 
-import org.sopt.makers.operation.entity.Attendance;
-import org.sopt.makers.operation.entity.AttendanceStatus;
+import org.sopt.makers.operation.entity.attendance.Attendance;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
 import org.sopt.makers.operation.entity.lecture.Attribute;
 
 import java.time.format.DateTimeFormatter;
diff --git a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendancesResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendancesResponseDTO.java
index 10852bf6..5a204213 100644
--- a/src/main/java/org/sopt/makers/operation/dto/attendance/AttendancesResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/attendance/AttendancesResponseDTO.java
@@ -2,7 +2,7 @@
 
 import java.util.List;
 
-import org.sopt.makers.operation.entity.Attendance;
+import org.sopt.makers.operation.entity.attendance.Attendance;
 
 public record AttendancesResponseDTO(
 	List<MemberResponseDTO> attendances,
diff --git a/src/main/java/org/sopt/makers/operation/dto/attendance/MemberResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/attendance/MemberResponseDTO.java
index 39e24970..60568a90 100644
--- a/src/main/java/org/sopt/makers/operation/dto/attendance/MemberResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/attendance/MemberResponseDTO.java
@@ -2,10 +2,10 @@
 
 import java.util.List;
 
-import org.sopt.makers.operation.entity.Attendance;
-import org.sopt.makers.operation.entity.AttendanceStatus;
-import org.sopt.makers.operation.entity.Member;
-import org.sopt.makers.operation.entity.SubAttendance;
+import org.sopt.makers.operation.entity.attendance.Attendance;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
+import org.sopt.makers.operation.entity.member.Member;
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
 
 public record MemberResponseDTO (
 	Long attendanceId,
diff --git a/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateRequestDTO.java b/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateRequestDTO.java
index ba430b0d..3f7634da 100644
--- a/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateRequestDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateRequestDTO.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.attendance;
 
-import org.sopt.makers.operation.entity.AttendanceStatus;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
 
 public record SubAttendanceUpdateRequestDTO(
 	Long subAttendanceId,
diff --git a/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateResponseDTO.java
index 482b529a..8661181a 100644
--- a/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/attendance/SubAttendanceUpdateResponseDTO.java
@@ -1,7 +1,7 @@
 package org.sopt.makers.operation.dto.attendance;
 
-import org.sopt.makers.operation.entity.AttendanceStatus;
-import org.sopt.makers.operation.entity.SubAttendance;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
 
 public record SubAttendanceUpdateResponseDTO(
 	Long subAttendanceId,
diff --git a/src/main/java/org/sopt/makers/operation/dto/lecture/AttendanceResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/lecture/AttendanceResponseDTO.java
index 8e61faf9..10690fda 100644
--- a/src/main/java/org/sopt/makers/operation/dto/lecture/AttendanceResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/lecture/AttendanceResponseDTO.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.lecture;
 
-import org.sopt.makers.operation.entity.SubLecture;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 
 import lombok.Builder;
diff --git a/src/main/java/org/sopt/makers/operation/dto/lecture/AttendancesStatusVO.java b/src/main/java/org/sopt/makers/operation/dto/lecture/AttendancesStatusVO.java
index b2a33c87..663d4b58 100644
--- a/src/main/java/org/sopt/makers/operation/dto/lecture/AttendancesStatusVO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/lecture/AttendancesStatusVO.java
@@ -1,10 +1,10 @@
 package org.sopt.makers.operation.dto.lecture;
 
-import static org.sopt.makers.operation.entity.AttendanceStatus.*;
+import static org.sopt.makers.operation.entity.attendance.AttendanceStatus.*;
 
 import java.time.LocalDateTime;
 
-import org.sopt.makers.operation.entity.AttendanceStatus;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 
 import lombok.Builder;
diff --git a/src/main/java/org/sopt/makers/operation/dto/lecture/LectureCurrentRoundResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/lecture/LectureCurrentRoundResponseDTO.java
index d07f21c2..ecc2af8c 100644
--- a/src/main/java/org/sopt/makers/operation/dto/lecture/LectureCurrentRoundResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/lecture/LectureCurrentRoundResponseDTO.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.lecture;
 
-import org.sopt.makers.operation.entity.SubLecture;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
 
 public record LectureCurrentRoundResponseDTO(
         Long id,
diff --git a/src/main/java/org/sopt/makers/operation/dto/lecture/LectureResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/lecture/LectureResponseDTO.java
index 81a07c6b..edf4c2c6 100644
--- a/src/main/java/org/sopt/makers/operation/dto/lecture/LectureResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/lecture/LectureResponseDTO.java
@@ -6,7 +6,7 @@
 import java.util.List;
 
 import org.sopt.makers.operation.entity.Part;
-import org.sopt.makers.operation.entity.SubLecture;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
 import org.sopt.makers.operation.entity.lecture.Attribute;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 import org.sopt.makers.operation.entity.lecture.LectureStatus;
diff --git a/src/main/java/org/sopt/makers/operation/dto/lecture/LectureSearchCondition.java b/src/main/java/org/sopt/makers/operation/dto/lecture/LectureSearchCondition.java
index 3ac25110..49672978 100644
--- a/src/main/java/org/sopt/makers/operation/dto/lecture/LectureSearchCondition.java
+++ b/src/main/java/org/sopt/makers/operation/dto/lecture/LectureSearchCondition.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.lecture;
 
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
 
 public record LectureSearchCondition(Part part, int generation, Long memberId) {
diff --git a/src/main/java/org/sopt/makers/operation/dto/lecture/TodayLectureResponseDTO.java b/src/main/java/org/sopt/makers/operation/dto/lecture/TodayLectureResponseDTO.java
index 40685563..01127353 100644
--- a/src/main/java/org/sopt/makers/operation/dto/lecture/TodayLectureResponseDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/lecture/TodayLectureResponseDTO.java
@@ -1,8 +1,8 @@
 package org.sopt.makers.operation.dto.lecture;
 
 import lombok.Builder;
-import org.sopt.makers.operation.entity.AttendanceStatus;
-import org.sopt.makers.operation.entity.SubAttendance;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 
 import java.time.LocalDateTime;
diff --git a/src/main/java/org/sopt/makers/operation/dto/member/MemberListGetResponse.java b/src/main/java/org/sopt/makers/operation/dto/member/MemberListGetResponse.java
index db40b34e..d30f24bd 100644
--- a/src/main/java/org/sopt/makers/operation/dto/member/MemberListGetResponse.java
+++ b/src/main/java/org/sopt/makers/operation/dto/member/MemberListGetResponse.java
@@ -1,7 +1,7 @@
 package org.sopt.makers.operation.dto.member;
 
 import org.sopt.makers.operation.dto.attendance.AttendanceTotalCountVO;
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
 
 public record MemberListGetResponse(
diff --git a/src/main/java/org/sopt/makers/operation/dto/member/MemberRequestDTO.java b/src/main/java/org/sopt/makers/operation/dto/member/MemberRequestDTO.java
index 423bb1f1..136bb649 100644
--- a/src/main/java/org/sopt/makers/operation/dto/member/MemberRequestDTO.java
+++ b/src/main/java/org/sopt/makers/operation/dto/member/MemberRequestDTO.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.dto.member;
 
-import org.sopt.makers.operation.entity.ObYb;
+import org.sopt.makers.operation.entity.member.ObYb;
 import org.sopt.makers.operation.entity.Part;
 
 public record MemberRequestDTO(
diff --git a/src/main/java/org/sopt/makers/operation/entity/ObYb.java b/src/main/java/org/sopt/makers/operation/entity/ObYb.java
deleted file mode 100644
index 2103662d..00000000
--- a/src/main/java/org/sopt/makers/operation/entity/ObYb.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package org.sopt.makers.operation.entity;
-
-public enum ObYb {
-	OB, YB
-}
diff --git a/src/main/java/org/sopt/makers/operation/entity/Admin.java b/src/main/java/org/sopt/makers/operation/entity/admin/Admin.java
similarity index 95%
rename from src/main/java/org/sopt/makers/operation/entity/Admin.java
rename to src/main/java/org/sopt/makers/operation/entity/admin/Admin.java
index f6fd1bef..e7b3692d 100644
--- a/src/main/java/org/sopt/makers/operation/entity/Admin.java
+++ b/src/main/java/org/sopt/makers/operation/entity/admin/Admin.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.admin;
 
 import lombok.Builder;
 import lombok.Getter;
diff --git a/src/main/java/org/sopt/makers/operation/entity/AdminStatus.java b/src/main/java/org/sopt/makers/operation/entity/admin/AdminStatus.java
similarity index 60%
rename from src/main/java/org/sopt/makers/operation/entity/AdminStatus.java
rename to src/main/java/org/sopt/makers/operation/entity/admin/AdminStatus.java
index 980530d3..ae7410b3 100644
--- a/src/main/java/org/sopt/makers/operation/entity/AdminStatus.java
+++ b/src/main/java/org/sopt/makers/operation/entity/admin/AdminStatus.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.admin;
 
 public enum AdminStatus {
     DEVELOPER, SOPT, MAKERS, NOT_CERTIFIED
diff --git a/src/main/java/org/sopt/makers/operation/entity/Role.java b/src/main/java/org/sopt/makers/operation/entity/admin/Role.java
similarity index 74%
rename from src/main/java/org/sopt/makers/operation/entity/Role.java
rename to src/main/java/org/sopt/makers/operation/entity/admin/Role.java
index a9709150..f4429ea5 100644
--- a/src/main/java/org/sopt/makers/operation/entity/Role.java
+++ b/src/main/java/org/sopt/makers/operation/entity/admin/Role.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.admin;
 
 public enum Role {
     OPERATION_TEAM, PRESIDENT, VICE_PRESIDENT, AFFAIRS, MANAGE, MEDIA, PLAN, DESIGN, WEB, ANDROID, IOS, SERVER, MAKERS
diff --git a/src/main/java/org/sopt/makers/operation/entity/Attendance.java b/src/main/java/org/sopt/makers/operation/entity/attendance/Attendance.java
similarity index 94%
rename from src/main/java/org/sopt/makers/operation/entity/Attendance.java
rename to src/main/java/org/sopt/makers/operation/entity/attendance/Attendance.java
index 7539f0f4..e11fa9db 100644
--- a/src/main/java/org/sopt/makers/operation/entity/Attendance.java
+++ b/src/main/java/org/sopt/makers/operation/entity/attendance/Attendance.java
@@ -1,8 +1,8 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.attendance;
 
 import static javax.persistence.GenerationType.*;
 import static org.sopt.makers.operation.common.ExceptionMessage.*;
-import static org.sopt.makers.operation.entity.AttendanceStatus.*;
+import static org.sopt.makers.operation.entity.attendance.AttendanceStatus.*;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,6 +20,7 @@
 import javax.persistence.ManyToOne;
 import javax.persistence.OneToMany;
 
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 
 import lombok.*;
diff --git a/src/main/java/org/sopt/makers/operation/entity/AttendanceStatus.java b/src/main/java/org/sopt/makers/operation/entity/attendance/AttendanceStatus.java
similarity index 83%
rename from src/main/java/org/sopt/makers/operation/entity/AttendanceStatus.java
rename to src/main/java/org/sopt/makers/operation/entity/attendance/AttendanceStatus.java
index acd573cb..6a6e0666 100644
--- a/src/main/java/org/sopt/makers/operation/entity/AttendanceStatus.java
+++ b/src/main/java/org/sopt/makers/operation/entity/attendance/AttendanceStatus.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.attendance;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
diff --git a/src/main/java/org/sopt/makers/operation/entity/SubAttendance.java b/src/main/java/org/sopt/makers/operation/entity/attendance/SubAttendance.java
similarity index 90%
rename from src/main/java/org/sopt/makers/operation/entity/SubAttendance.java
rename to src/main/java/org/sopt/makers/operation/entity/attendance/SubAttendance.java
index 0099b00d..81ca1d23 100644
--- a/src/main/java/org/sopt/makers/operation/entity/SubAttendance.java
+++ b/src/main/java/org/sopt/makers/operation/entity/attendance/SubAttendance.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.attendance;
 
 import static javax.persistence.GenerationType.*;
 
@@ -14,6 +14,9 @@
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 
+import org.sopt.makers.operation.entity.BaseEntity;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
+
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
diff --git a/src/main/java/org/sopt/makers/operation/entity/lecture/Lecture.java b/src/main/java/org/sopt/makers/operation/entity/lecture/Lecture.java
index 8fd2b9af..55bf09ba 100644
--- a/src/main/java/org/sopt/makers/operation/entity/lecture/Lecture.java
+++ b/src/main/java/org/sopt/makers/operation/entity/lecture/Lecture.java
@@ -15,10 +15,9 @@
 import javax.persistence.Id;
 import javax.persistence.OneToMany;
 
-import org.sopt.makers.operation.entity.Attendance;
+import org.sopt.makers.operation.entity.attendance.Attendance;
 import org.sopt.makers.operation.entity.BaseEntity;
 import org.sopt.makers.operation.entity.Part;
-import org.sopt.makers.operation.entity.SubLecture;
 
 import lombok.Builder;
 import lombok.Getter;
diff --git a/src/main/java/org/sopt/makers/operation/entity/SubLecture.java b/src/main/java/org/sopt/makers/operation/entity/lecture/SubLecture.java
similarity index 93%
rename from src/main/java/org/sopt/makers/operation/entity/SubLecture.java
rename to src/main/java/org/sopt/makers/operation/entity/lecture/SubLecture.java
index b38dfca7..77eeb510 100644
--- a/src/main/java/org/sopt/makers/operation/entity/SubLecture.java
+++ b/src/main/java/org/sopt/makers/operation/entity/lecture/SubLecture.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.lecture;
 
 import static javax.persistence.GenerationType.*;
 import static org.sopt.makers.operation.entity.lecture.LectureStatus.*;
@@ -17,6 +17,7 @@
 import javax.persistence.ManyToOne;
 import javax.persistence.OneToMany;
 
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 import org.sopt.makers.operation.entity.lecture.LectureStatus;
 
diff --git a/src/main/java/org/sopt/makers/operation/entity/Member.java b/src/main/java/org/sopt/makers/operation/entity/member/Member.java
similarity index 91%
rename from src/main/java/org/sopt/makers/operation/entity/Member.java
rename to src/main/java/org/sopt/makers/operation/entity/member/Member.java
index 6cf13b7e..acd5675a 100644
--- a/src/main/java/org/sopt/makers/operation/entity/Member.java
+++ b/src/main/java/org/sopt/makers/operation/entity/member/Member.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.entity;
+package org.sopt.makers.operation.entity.member;
 
 import static org.sopt.makers.operation.entity.lecture.LectureStatus.*;
 
@@ -15,6 +15,8 @@
 import javax.persistence.OneToMany;
 
 import org.sopt.makers.operation.dto.member.MemberRequestDTO;
+import org.sopt.makers.operation.entity.Part;
+import org.sopt.makers.operation.entity.attendance.Attendance;
 
 import lombok.Getter;
 import lombok.NoArgsConstructor;
diff --git a/src/main/java/org/sopt/makers/operation/entity/member/ObYb.java b/src/main/java/org/sopt/makers/operation/entity/member/ObYb.java
new file mode 100644
index 00000000..0041bffb
--- /dev/null
+++ b/src/main/java/org/sopt/makers/operation/entity/member/ObYb.java
@@ -0,0 +1,5 @@
+package org.sopt.makers.operation.entity.member;
+
+public enum ObYb {
+	OB, YB
+}
diff --git a/src/main/java/org/sopt/makers/operation/external/api/AlarmSender.java b/src/main/java/org/sopt/makers/operation/external/alarm/AlarmSender.java
similarity index 73%
rename from src/main/java/org/sopt/makers/operation/external/api/AlarmSender.java
rename to src/main/java/org/sopt/makers/operation/external/alarm/AlarmSender.java
index e45a2fe5..e9437619 100644
--- a/src/main/java/org/sopt/makers/operation/external/api/AlarmSender.java
+++ b/src/main/java/org/sopt/makers/operation/external/alarm/AlarmSender.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.external.api;
+package org.sopt.makers.operation.external.alarm;
 
 import org.sopt.makers.operation.dto.alarm.AlarmSenderDTO;
 
diff --git a/src/main/java/org/sopt/makers/operation/external/api/AlarmSenderImpl.java b/src/main/java/org/sopt/makers/operation/external/alarm/AlarmSenderImpl.java
similarity index 98%
rename from src/main/java/org/sopt/makers/operation/external/api/AlarmSenderImpl.java
rename to src/main/java/org/sopt/makers/operation/external/alarm/AlarmSenderImpl.java
index d6bf50ff..5a3f636d 100644
--- a/src/main/java/org/sopt/makers/operation/external/api/AlarmSenderImpl.java
+++ b/src/main/java/org/sopt/makers/operation/external/alarm/AlarmSenderImpl.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.external.api;
+package org.sopt.makers.operation.external.alarm;
 
 import static java.util.Objects.*;
 import static java.util.UUID.*;
diff --git a/src/main/java/org/sopt/makers/operation/external/api/PlayGroundServer.java b/src/main/java/org/sopt/makers/operation/external/playground/PlayGroundServer.java
similarity index 81%
rename from src/main/java/org/sopt/makers/operation/external/api/PlayGroundServer.java
rename to src/main/java/org/sopt/makers/operation/external/playground/PlayGroundServer.java
index 0c11ef79..5e886335 100644
--- a/src/main/java/org/sopt/makers/operation/external/api/PlayGroundServer.java
+++ b/src/main/java/org/sopt/makers/operation/external/playground/PlayGroundServer.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.external.api;
+package org.sopt.makers.operation.external.playground;
 
 import org.sopt.makers.operation.dto.alarm.AlarmInactiveListResponseDTO;
 import org.sopt.makers.operation.entity.Part;
diff --git a/src/main/java/org/sopt/makers/operation/external/api/PlayGroundServerImpl.java b/src/main/java/org/sopt/makers/operation/external/playground/PlayGroundServerImpl.java
similarity index 97%
rename from src/main/java/org/sopt/makers/operation/external/api/PlayGroundServerImpl.java
rename to src/main/java/org/sopt/makers/operation/external/playground/PlayGroundServerImpl.java
index 3710228f..6e54253c 100644
--- a/src/main/java/org/sopt/makers/operation/external/api/PlayGroundServerImpl.java
+++ b/src/main/java/org/sopt/makers/operation/external/playground/PlayGroundServerImpl.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.external.api;
+package org.sopt.makers.operation.external.playground;
 
 import static org.sopt.makers.operation.common.ExceptionMessage.*;
 import static org.sopt.makers.operation.entity.Part.*;
diff --git a/src/main/java/org/sopt/makers/operation/controller/ExceptionController.java b/src/main/java/org/sopt/makers/operation/handler/ErrorHandler.java
similarity index 96%
rename from src/main/java/org/sopt/makers/operation/controller/ExceptionController.java
rename to src/main/java/org/sopt/makers/operation/handler/ErrorHandler.java
index 6e9e4f83..b5426500 100644
--- a/src/main/java/org/sopt/makers/operation/controller/ExceptionController.java
+++ b/src/main/java/org/sopt/makers/operation/handler/ErrorHandler.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.controller;
+package org.sopt.makers.operation.handler;
 
 import static org.sopt.makers.operation.common.ApiResponse.*;
 import static org.sopt.makers.operation.common.ExceptionMessage.*;
@@ -15,7 +15,7 @@
 
 @Slf4j
 @RestControllerAdvice
-public class ExceptionController {
+public class ErrorHandler {
     @ExceptionHandler(AdminFailureException.class)
     public ResponseEntity<ApiResponse> authFailureException (AdminFailureException ex) {
         log.error(ex.getMessage());
diff --git a/src/main/java/org/sopt/makers/operation/repository/AdminRepository.java b/src/main/java/org/sopt/makers/operation/repository/AdminRepository.java
index 7bb0beac..4a0894f8 100644
--- a/src/main/java/org/sopt/makers/operation/repository/AdminRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/AdminRepository.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.repository;
 
-import org.sopt.makers.operation.entity.Admin;
+import org.sopt.makers.operation.entity.admin.Admin;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
diff --git a/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceCustomRepository.java b/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceCustomRepository.java
index 40e8f7cf..40c43981 100644
--- a/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceCustomRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceCustomRepository.java
@@ -2,11 +2,9 @@
 
 import java.util.List;
 
-import org.sopt.makers.operation.entity.Attendance;
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.attendance.Attendance;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
-import org.sopt.makers.operation.entity.SubAttendance;
-import org.sopt.makers.operation.entity.lecture.Lecture;
 import org.springframework.data.domain.Pageable;
 
 public interface AttendanceCustomRepository {
diff --git a/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepository.java b/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepository.java
index 3e5cc2f6..6edcebfe 100644
--- a/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepository.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.repository.attendance;
 
-import org.sopt.makers.operation.entity.Attendance;
+import org.sopt.makers.operation.entity.attendance.Attendance;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
diff --git a/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepositoryImpl.java b/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepositoryImpl.java
index 708592c1..8362a3f4 100644
--- a/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepositoryImpl.java
+++ b/src/main/java/org/sopt/makers/operation/repository/attendance/AttendanceRepositoryImpl.java
@@ -2,11 +2,11 @@
 
 import static com.querydsl.core.types.dsl.Expressions.*;
 import static java.util.Objects.*;
-import static org.sopt.makers.operation.entity.QAttendance.*;
-import static org.sopt.makers.operation.entity.QMember.*;
-import static org.sopt.makers.operation.entity.QSubAttendance.*;
-import static org.sopt.makers.operation.entity.QSubLecture.*;
+import static org.sopt.makers.operation.entity.attendance.QAttendance.*;
+import static org.sopt.makers.operation.entity.attendance.QSubAttendance.*;
 import static org.sopt.makers.operation.entity.lecture.QLecture.*;
+import static org.sopt.makers.operation.entity.lecture.QSubLecture.*;
+import static org.sopt.makers.operation.entity.member.QMember.*;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -16,8 +16,8 @@
 import lombok.val;
 
 import org.sopt.makers.operation.config.ValueConfig;
-import org.sopt.makers.operation.entity.Attendance;
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.attendance.Attendance;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
 import org.sopt.makers.operation.entity.lecture.LectureStatus;
 import org.springframework.data.domain.Pageable;
diff --git a/src/main/java/org/sopt/makers/operation/repository/SubAttendanceRepository.java b/src/main/java/org/sopt/makers/operation/repository/attendance/SubAttendanceRepository.java
similarity index 72%
rename from src/main/java/org/sopt/makers/operation/repository/SubAttendanceRepository.java
rename to src/main/java/org/sopt/makers/operation/repository/attendance/SubAttendanceRepository.java
index 8362cbfe..5d8caaa6 100644
--- a/src/main/java/org/sopt/makers/operation/repository/SubAttendanceRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/attendance/SubAttendanceRepository.java
@@ -1,9 +1,9 @@
-package org.sopt.makers.operation.repository;
+package org.sopt.makers.operation.repository.attendance;
 
 import java.util.List;
 
-import org.sopt.makers.operation.entity.SubAttendance;
-import org.sopt.makers.operation.entity.SubLecture;
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
diff --git a/src/main/java/org/sopt/makers/operation/repository/lecture/LectureRepositoryImpl.java b/src/main/java/org/sopt/makers/operation/repository/lecture/LectureRepositoryImpl.java
index 51960170..f5e550f3 100644
--- a/src/main/java/org/sopt/makers/operation/repository/lecture/LectureRepositoryImpl.java
+++ b/src/main/java/org/sopt/makers/operation/repository/lecture/LectureRepositoryImpl.java
@@ -12,10 +12,10 @@
 import java.util.Optional;
 
 import static java.util.Objects.*;
-import static org.sopt.makers.operation.entity.QAttendance.*;
-import static org.sopt.makers.operation.entity.QMember.*;
+import static org.sopt.makers.operation.entity.attendance.QAttendance.*;
 import static org.sopt.makers.operation.entity.lecture.LectureStatus.*;
 import static org.sopt.makers.operation.entity.lecture.QLecture.*;
+import static org.sopt.makers.operation.entity.member.QMember.*;
 
 @Repository
 @RequiredArgsConstructor
diff --git a/src/main/java/org/sopt/makers/operation/repository/lecture/SubLectureRepository.java b/src/main/java/org/sopt/makers/operation/repository/lecture/SubLectureRepository.java
index 4eeb7d85..1e33f3b7 100644
--- a/src/main/java/org/sopt/makers/operation/repository/lecture/SubLectureRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/lecture/SubLectureRepository.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.repository.lecture;
 
-import org.sopt.makers.operation.entity.SubLecture;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
diff --git a/src/main/java/org/sopt/makers/operation/repository/member/MemberCustomRepository.java b/src/main/java/org/sopt/makers/operation/repository/member/MemberCustomRepository.java
index e54fd4b3..03aa323a 100644
--- a/src/main/java/org/sopt/makers/operation/repository/member/MemberCustomRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/member/MemberCustomRepository.java
@@ -4,7 +4,7 @@
 import java.util.Optional;
 
 import org.sopt.makers.operation.dto.member.MemberSearchCondition;
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
 import org.springframework.data.domain.Pageable;
 
diff --git a/src/main/java/org/sopt/makers/operation/repository/member/MemberRepository.java b/src/main/java/org/sopt/makers/operation/repository/member/MemberRepository.java
index ec0c0cbe..04a0b400 100644
--- a/src/main/java/org/sopt/makers/operation/repository/member/MemberRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/member/MemberRepository.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.repository.member;
 
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.member.Member;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.Optional;
diff --git a/src/main/java/org/sopt/makers/operation/repository/member/MemberRepositoryImpl.java b/src/main/java/org/sopt/makers/operation/repository/member/MemberRepositoryImpl.java
index 4bfc6858..cb0eb443 100644
--- a/src/main/java/org/sopt/makers/operation/repository/member/MemberRepositoryImpl.java
+++ b/src/main/java/org/sopt/makers/operation/repository/member/MemberRepositoryImpl.java
@@ -2,9 +2,9 @@
 
 import static java.util.Objects.*;
 import static org.sopt.makers.operation.entity.Part.*;
-import static org.sopt.makers.operation.entity.QAttendance.*;
-import static org.sopt.makers.operation.entity.QMember.*;
+import static org.sopt.makers.operation.entity.attendance.QAttendance.*;
 import static org.sopt.makers.operation.entity.lecture.QLecture.*;
+import static org.sopt.makers.operation.entity.member.QMember.*;
 
 import java.util.List;
 import java.util.Optional;
@@ -12,7 +12,7 @@
 import com.querydsl.core.types.dsl.Expressions;
 import com.querydsl.core.types.dsl.StringExpression;
 import org.sopt.makers.operation.dto.member.MemberSearchCondition;
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Repository;
diff --git a/src/main/java/org/sopt/makers/operation/repository/schedule/ScheduleRepository.java b/src/main/java/org/sopt/makers/operation/repository/schedule/ScheduleRepository.java
index c651e850..0cf9858a 100644
--- a/src/main/java/org/sopt/makers/operation/repository/schedule/ScheduleRepository.java
+++ b/src/main/java/org/sopt/makers/operation/repository/schedule/ScheduleRepository.java
@@ -1,6 +1,6 @@
 package org.sopt.makers.operation.repository.schedule;
 
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.member.Member;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface ScheduleRepository extends JpaRepository<Member, Long>, ScheduleCustomRepository {
diff --git a/src/main/java/org/sopt/makers/operation/controller/ScheduleController.java b/src/main/java/org/sopt/makers/operation/scheduler/LectureScheduler.java
similarity index 72%
rename from src/main/java/org/sopt/makers/operation/controller/ScheduleController.java
rename to src/main/java/org/sopt/makers/operation/scheduler/LectureScheduler.java
index 5b7a673e..2340f063 100644
--- a/src/main/java/org/sopt/makers/operation/controller/ScheduleController.java
+++ b/src/main/java/org/sopt/makers/operation/scheduler/LectureScheduler.java
@@ -1,16 +1,16 @@
-package org.sopt.makers.operation.controller;
+package org.sopt.makers.operation.scheduler;
 
 import org.sopt.makers.operation.service.LectureService;
 import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.scheduling.annotation.Scheduled;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.stereotype.Component;
 
 import lombok.RequiredArgsConstructor;
 
-@RestController
+@Component
 @EnableScheduling
 @RequiredArgsConstructor
-public class ScheduleController {
+public class LectureScheduler {
 
 	private final LectureService lectureService;
 
diff --git a/src/main/java/org/sopt/makers/operation/security/jwt/AdminAuthentication.java b/src/main/java/org/sopt/makers/operation/security/AdminAuthentication.java
similarity index 90%
rename from src/main/java/org/sopt/makers/operation/security/jwt/AdminAuthentication.java
rename to src/main/java/org/sopt/makers/operation/security/AdminAuthentication.java
index f80aa5d7..2385c90e 100644
--- a/src/main/java/org/sopt/makers/operation/security/jwt/AdminAuthentication.java
+++ b/src/main/java/org/sopt/makers/operation/security/AdminAuthentication.java
@@ -1,4 +1,4 @@
-package org.sopt.makers.operation.security.jwt;
+package org.sopt.makers.operation.security;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.GrantedAuthority;
 
diff --git a/src/main/java/org/sopt/makers/operation/security/jwt/JwtTokenProvider.java b/src/main/java/org/sopt/makers/operation/security/jwt/JwtTokenProvider.java
index ae7d974a..e43cf11e 100644
--- a/src/main/java/org/sopt/makers/operation/security/jwt/JwtTokenProvider.java
+++ b/src/main/java/org/sopt/makers/operation/security/jwt/JwtTokenProvider.java
@@ -9,6 +9,7 @@
 import lombok.val;
 import org.sopt.makers.operation.common.ExceptionMessage;
 import org.sopt.makers.operation.exception.TokenException;
+import org.sopt.makers.operation.security.AdminAuthentication;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Service;
diff --git a/src/main/java/org/sopt/makers/operation/service/AdminServiceImpl.java b/src/main/java/org/sopt/makers/operation/service/AdminServiceImpl.java
index e9f4da54..d57bdd68 100644
--- a/src/main/java/org/sopt/makers/operation/service/AdminServiceImpl.java
+++ b/src/main/java/org/sopt/makers/operation/service/AdminServiceImpl.java
@@ -6,11 +6,11 @@
 import lombok.val;
 
 import org.sopt.makers.operation.dto.admin.*;
-import org.sopt.makers.operation.entity.Admin;
-import org.sopt.makers.operation.entity.AdminStatus;
+import org.sopt.makers.operation.entity.admin.Admin;
+import org.sopt.makers.operation.entity.admin.AdminStatus;
 import org.sopt.makers.operation.exception.AdminFailureException;
 import org.sopt.makers.operation.repository.AdminRepository;
-import org.sopt.makers.operation.security.jwt.AdminAuthentication;
+import org.sopt.makers.operation.security.AdminAuthentication;
 import org.sopt.makers.operation.security.jwt.JwtTokenProvider;
 import org.sopt.makers.operation.security.jwt.JwtTokenType;
 import org.springframework.security.crypto.password.PasswordEncoder;
diff --git a/src/main/java/org/sopt/makers/operation/service/AlarmServiceImpl.java b/src/main/java/org/sopt/makers/operation/service/AlarmServiceImpl.java
index a08a42dc..561146f2 100644
--- a/src/main/java/org/sopt/makers/operation/service/AlarmServiceImpl.java
+++ b/src/main/java/org/sopt/makers/operation/service/AlarmServiceImpl.java
@@ -12,8 +12,8 @@
 import org.sopt.makers.operation.entity.Part;
 import org.sopt.makers.operation.entity.alarm.Status;
 import org.sopt.makers.operation.exception.AlarmException;
-import org.sopt.makers.operation.external.api.AlarmSender;
-import org.sopt.makers.operation.external.api.PlayGroundServer;
+import org.sopt.makers.operation.external.alarm.AlarmSender;
+import org.sopt.makers.operation.external.playground.PlayGroundServer;
 import org.sopt.makers.operation.repository.alarm.AlarmRepository;
 import org.sopt.makers.operation.repository.member.MemberRepository;
 import org.springframework.stereotype.Service;
diff --git a/src/main/java/org/sopt/makers/operation/service/AttendanceServiceImpl.java b/src/main/java/org/sopt/makers/operation/service/AttendanceServiceImpl.java
index 7ac524b1..839fdd53 100644
--- a/src/main/java/org/sopt/makers/operation/service/AttendanceServiceImpl.java
+++ b/src/main/java/org/sopt/makers/operation/service/AttendanceServiceImpl.java
@@ -9,13 +9,13 @@
 import org.sopt.makers.operation.dto.attendance.SubAttendanceUpdateResponseDTO;
 import lombok.val;
 import org.sopt.makers.operation.dto.attendance.*;
-import org.sopt.makers.operation.entity.AttendanceStatus;
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
-import org.sopt.makers.operation.entity.SubAttendance;
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
 import org.sopt.makers.operation.exception.LectureException;
 import org.sopt.makers.operation.exception.MemberException;
-import org.sopt.makers.operation.repository.SubAttendanceRepository;
+import org.sopt.makers.operation.repository.attendance.SubAttendanceRepository;
 import org.sopt.makers.operation.repository.attendance.AttendanceRepository;
 import org.sopt.makers.operation.exception.SubLectureException;
 import org.sopt.makers.operation.repository.lecture.SubLectureRepository;
diff --git a/src/main/java/org/sopt/makers/operation/service/LectureServiceImpl.java b/src/main/java/org/sopt/makers/operation/service/LectureServiceImpl.java
index dc4c6fcd..24755f09 100644
--- a/src/main/java/org/sopt/makers/operation/service/LectureServiceImpl.java
+++ b/src/main/java/org/sopt/makers/operation/service/LectureServiceImpl.java
@@ -3,7 +3,7 @@
 import static org.sopt.makers.operation.common.ExceptionMessage.*;
 import static org.sopt.makers.operation.common.ExceptionMessage.NO_SESSION;
 import static org.sopt.makers.operation.dto.lecture.LectureResponseType.*;
-import static org.sopt.makers.operation.entity.AttendanceStatus.*;
+import static org.sopt.makers.operation.entity.attendance.AttendanceStatus.*;
 import static org.sopt.makers.operation.entity.alarm.Attribute.*;
 import static org.sopt.makers.operation.entity.lecture.LectureStatus.*;
 
@@ -25,13 +25,17 @@
 import org.sopt.makers.operation.dto.lecture.LectureResponseDTO;
 import org.sopt.makers.operation.dto.lecture.LecturesResponseDTO;
 import org.sopt.makers.operation.entity.*;
+import org.sopt.makers.operation.entity.attendance.Attendance;
+import org.sopt.makers.operation.entity.attendance.SubAttendance;
 import org.sopt.makers.operation.entity.lecture.Attribute;
 import org.sopt.makers.operation.entity.lecture.Lecture;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.exception.LectureException;
 import org.sopt.makers.operation.exception.SubLectureException;
-import org.sopt.makers.operation.external.api.AlarmSender;
+import org.sopt.makers.operation.external.alarm.AlarmSender;
 import org.sopt.makers.operation.repository.attendance.AttendanceRepository;
-import org.sopt.makers.operation.repository.SubAttendanceRepository;
+import org.sopt.makers.operation.repository.attendance.SubAttendanceRepository;
 import org.sopt.makers.operation.repository.lecture.LectureRepository;
 import org.sopt.makers.operation.repository.lecture.SubLectureRepository;
 import org.sopt.makers.operation.repository.member.MemberRepository;
diff --git a/src/main/java/org/sopt/makers/operation/service/MemberServiceImpl.java b/src/main/java/org/sopt/makers/operation/service/MemberServiceImpl.java
index e1f57251..f12fd21a 100644
--- a/src/main/java/org/sopt/makers/operation/service/MemberServiceImpl.java
+++ b/src/main/java/org/sopt/makers/operation/service/MemberServiceImpl.java
@@ -14,8 +14,8 @@
 import org.sopt.makers.operation.dto.member.MemberScoreGetResponse;
 import org.sopt.makers.operation.dto.member.MemberSearchCondition;
 import org.sopt.makers.operation.dto.member.MembersResponseDTO;
-import org.sopt.makers.operation.entity.AttendanceStatus;
-import org.sopt.makers.operation.entity.Member;
+import org.sopt.makers.operation.entity.attendance.AttendanceStatus;
+import org.sopt.makers.operation.entity.member.Member;
 import org.sopt.makers.operation.entity.Part;
 import org.sopt.makers.operation.entity.lecture.Attribute;
 import org.sopt.makers.operation.exception.MemberException;
diff --git a/src/test/java/org/sopt/makers/operation/fixture/LectureFixture.java b/src/test/java/org/sopt/makers/operation/fixture/LectureFixture.java
index cad87a67..00fee1f5 100644
--- a/src/test/java/org/sopt/makers/operation/fixture/LectureFixture.java
+++ b/src/test/java/org/sopt/makers/operation/fixture/LectureFixture.java
@@ -14,7 +14,7 @@
 import org.sopt.makers.operation.dto.lecture.LecturesResponseDTO;
 import org.sopt.makers.operation.dto.lecture.LecturesResponseDTO.LectureVO;
 import org.sopt.makers.operation.entity.Part;
-import org.sopt.makers.operation.entity.SubLecture;
+import org.sopt.makers.operation.entity.lecture.SubLecture;
 import org.sopt.makers.operation.entity.lecture.Attribute;
 import org.sopt.makers.operation.entity.lecture.Lecture;
 import org.sopt.makers.operation.entity.lecture.LectureStatus;
diff --git a/src/test/java/org/sopt/makers/operation/service/LectureServiceImplTest.java b/src/test/java/org/sopt/makers/operation/service/LectureServiceImplTest.java
index e37a615f..ea75742e 100644
--- a/src/test/java/org/sopt/makers/operation/service/LectureServiceImplTest.java
+++ b/src/test/java/org/sopt/makers/operation/service/LectureServiceImplTest.java
@@ -15,7 +15,7 @@
 import org.sopt.makers.operation.dto.lecture.LectureResponseDTO;
 import org.sopt.makers.operation.dto.lecture.LecturesResponseDTO;
 import org.sopt.makers.operation.entity.lecture.Lecture;
-import org.sopt.makers.operation.external.api.AlarmSender;
+import org.sopt.makers.operation.external.alarm.AlarmSender;
 import org.sopt.makers.operation.repository.lecture.LectureRepository;
 import org.sopt.makers.operation.repository.member.MemberRepository;