diff --git a/src/test/java/com/HHive/hhive/domain/user/entity/UserTest.java b/src/test/java/com/HHive/hhive/domain/user/entity/UserTest.java
new file mode 100644
index 0000000..4cf61be
--- /dev/null
+++ b/src/test/java/com/HHive/hhive/domain/user/entity/UserTest.java
@@ -0,0 +1,109 @@
+package com.HHive.hhive.domain.user.entity;
+
+import com.HHive.hhive.domain.category.data.MajorCategory;
+import com.HHive.hhive.domain.category.data.SubCategory;
+import com.HHive.hhive.domain.user.dto.UpdateUserProfileRequestDTO;
+import org.junit.jupiter.api.*;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@DisplayName("User Entity 테스트")
+class UserTest {
+
+    @Nested
+    @DisplayName("유저 정보 업데이트 테스트")
+    class UpdateUserInfoTest {
+
+        @Test
+        @DisplayName("카카오 ID 업데이트")
+        void kakaoIdUpdate() {
+            // given
+            User user = new User("testUser", "testPassword", "testEmail@email.com", "testDescription");
+            Long kakaoId = 12345678L;
+
+            // when
+            user.kakaoIdUpdate(kakaoId);
+
+            // then
+            assertEquals(kakaoId, user.getKakaoId());
+        }
+
+        @Test
+        @DisplayName("프로필 업데이트")
+        void updateProfile() {
+            // given
+            User user = new User("testUser", "testPassword", "testEmail@email.com", "testDescription");
+            UpdateUserProfileRequestDTO requestDTO = new UpdateUserProfileRequestDTO();
+
+            // when
+            user.updateProfile(requestDTO);
+
+            // then
+            assertEquals(requestDTO.getEmail(), user.getEmail());
+            assertEquals(requestDTO.getDescription(), user.getDescription());
+        }
+
+        @Test
+        @DisplayName("계정 삭제 업데이트")
+        void updateDeletedAt() {
+            // given
+            User user = new User("testUser", "testPassword", "testEmail@email.com", "testDescription");
+            assertFalse(user.is_deleted());
+
+            // when
+            user.updateDeletedAt();
+
+            // then
+            assertTrue(user.is_deleted());
+            assertNotNull(user.getDeletedAt());
+        }
+    }
+
+    @Nested
+    @DisplayName("유저 정보 설정 테스트")
+    class SetUserInfoTest {
+
+        @Test
+        @DisplayName("비밀번호 설정")
+        void setPassword() {
+            // given
+            User user = new User("testUser", "testPassword", "testEmail@email.com", "testDescription");
+            String newPassword = "newPassword";
+
+            // when
+            user.setPassword(newPassword);
+
+            // then
+            assertEquals(newPassword, user.getPassword());
+        }
+
+        @Test
+        @DisplayName("major 카테고리 설정")
+        void setMajorCategory() {
+            // given
+            User user = new User("testUser", "testPassword", "testEmail@email.com", "testDescription");
+            MajorCategory majorCategory = MajorCategory.GAME;
+
+            // when
+            user.setMajorCategory(majorCategory);
+
+            // then
+            assertEquals(majorCategory, user.getMajorCategory());
+        }
+
+        @Test
+        @DisplayName("sub 카테고리 설정")
+        void setSubCategory() {
+            // given
+            User user = new User("testUser", "testPassword", "testEmail@email.com", "testDescription");
+            SubCategory subCategory = SubCategory.LOL;
+
+            // when
+            user.setSubCategory(subCategory);
+
+            // then
+            assertEquals(subCategory, user.getSubCategory());
+        }
+    }
+}
+