diff --git a/src/main/java/com/diareat/diareat/user/domain/User.java b/src/main/java/com/diareat/diareat/user/domain/User.java
index 178cb50..6852f48 100644
--- a/src/main/java/com/diareat/diareat/user/domain/User.java
+++ b/src/main/java/com/diareat/diareat/user/domain/User.java
@@ -14,11 +14,11 @@
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Entity
-public class TestUser {
+public class User {
 
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "user_id")
-    protected Long id;
+    private Long id;
 
     private String name; // 닉네임
 
@@ -44,8 +44,8 @@ public class TestUser {
     private List<FavoriteFood> favoriteFoods = new ArrayList<>();
 
     // 생성 메서드
-    public static TestUser createUser(String name, String image, String keyCode, int height, int weight, int gender, int age, BaseNutrition baseNutrition) {
-        TestUser user = new TestUser();
+    public static User createUser(String name, String image, String keyCode, int height, int weight, int gender, int age, BaseNutrition baseNutrition) {
+        User user = new User();
         user.name = name;
         user.image = image;
         user.keyCode = keyCode;
@@ -69,4 +69,8 @@ public void updateUser(String name, int height, int weight, int age) {
     public void updateBaseNutrition(BaseNutrition baseNutrition) {
         this.baseNutrition = baseNutrition;
     }
+
+    public void setId(Long id) { // 테스트코드용 메서드
+        this.id = id;
+    }
 }
diff --git a/src/test/java/com/diareat/diareat/service/UserServiceTest.java b/src/test/java/com/diareat/diareat/service/UserServiceTest.java
index fc2c222..0d062e9 100644
--- a/src/test/java/com/diareat/diareat/service/UserServiceTest.java
+++ b/src/test/java/com/diareat/diareat/service/UserServiceTest.java
@@ -2,7 +2,7 @@
 
 import com.diareat.diareat.user.domain.BaseNutrition;
 import com.diareat.diareat.user.domain.Follow;
-import com.diareat.diareat.user.domain.TestUser;
+import com.diareat.diareat.user.domain.User;
 import com.diareat.diareat.user.dto.*;
 import com.diareat.diareat.user.repository.FollowRepository;
 import com.diareat.diareat.user.repository.UserRepository;
@@ -23,7 +23,7 @@
 import static org.mockito.Mockito.*;
 
 @ExtendWith(MockitoExtension.class)
-class TestUserServiceTest {
+class UserServiceTest {
 
     @InjectMocks
     private UserService userService;
@@ -36,29 +36,29 @@ class TestUserServiceTest {
 
     @DisplayName("회원정보 저장")
     @Test
-    void saveUser() { // setId() 메서드 임시 삽입하여 테스트 진행함
+    void saveUser() { // setId() 메서드로 테스트 진행함
         // Given
         CreateUserDto createUserDto = CreateUserDto.of("test", "profile.jpg", "testPassword", 0, 75, 1, 25);
         BaseNutrition baseNutrition = BaseNutrition.createNutrition(2000, 300, 80, 80);
-        TestUser user = TestUser.createUser(createUserDto.getName(), createUserDto.getImage(), createUserDto.getKeyCode(), createUserDto.getHeight(), createUserDto.getWeight(), createUserDto.getGender(), createUserDto.getAge(), baseNutrition);
+        User user = User.createUser(createUserDto.getName(), createUserDto.getImage(), createUserDto.getKeyCode(), createUserDto.getHeight(), createUserDto.getWeight(), createUserDto.getGender(), createUserDto.getAge(), baseNutrition);
         user.setId(1L); // 테스트 커밋 중 User에 setId() 메서드 임시적으로 삽입하여 테스트 진행함
 
         given(userRepository.existsByName("test")).willReturn(false);
-        given(userRepository.save(any(TestUser.class))).willReturn(user);
+        given(userRepository.save(any(User.class))).willReturn(user);
 
         // When
         Long id = userService.saveUser(createUserDto); // id null로 반환됨 (Mock은 실제 DB에 객체를 생성하지 않기 때문)
 
         // Then
         assertEquals(1L, id);
-        verify(userRepository, times(1)).save(any(TestUser.class));
+        verify(userRepository, times(1)).save(any(User.class));
     }
 
     @Test
     void getSimpleUserInfo() {
         // Given
         Long userId = 1L;
-        TestUser user = TestUser.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
+        User user = User.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
         given(userRepository.findById(userId)).willReturn(Optional.of(user));
 
         // When
@@ -73,7 +73,7 @@ void getSimpleUserInfo() {
     void getUserInfo() {
         // Given
         Long userId = 1L;
-        TestUser user = TestUser.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
+        User user = User.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
         given(userRepository.findById(userId)).willReturn(Optional.of(user));
 
         // When
@@ -88,7 +88,7 @@ void getUserInfo() {
     void updateUserInfo() {
         // given
         UpdateUserDto updateUserDto = UpdateUserDto.of(1L, "update", 180, 75, 25, false);
-        TestUser user = TestUser.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
+        User user = User.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
         given(userRepository.findById(updateUserDto.getUserId())).willReturn(Optional.of(user));
 
         // when
@@ -106,7 +106,7 @@ void updateUserInfo() {
     void getUserNutrition() { // 임시 코드 사용, 추후 로직 개편 시 테스트코드 수정
         // Given
         Long userId = 1L;
-        TestUser user = TestUser.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
+        User user = User.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
         given(userRepository.findById(userId)).willReturn(Optional.of(user));
 
         // When
@@ -124,7 +124,7 @@ void updateBaseNutrition() {
         // Given
         UpdateUserNutritionDto updateUserNutritionDto = UpdateUserNutritionDto.of(1L, 2000, 300, 80, 80);
         // 필드 초기화
-        TestUser user = TestUser.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(1000, 100, 40, 40));
+        User user = User.createUser("test", "profile.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(1000, 100, 40, 40));
         given(userRepository.findById(updateUserNutritionDto.getUserId())).willReturn(Optional.of(user));
 
         // When
@@ -151,7 +151,7 @@ void deleteUser() {
     }
 
     @Test
-    void searchUser() { // setId() 메서드 임시 삽입하여 테스트 진행함
+    void searchUser() { // setId() 메서드로 테스트 진행함
         // Given
         Long userId1 = 1L;
         Long userId2 = 2L;
@@ -159,9 +159,9 @@ void searchUser() { // setId() 메서드 임시 삽입하여 테스트 진행함
         String name = "John";
 
         // 사용자 목록 생성
-        TestUser user1 = TestUser.createUser("John", "profile1.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
-        TestUser user2 = TestUser.createUser("John Doe", "profile2.jpg", "keycode456", 170, 65, 1, 35, BaseNutrition.createNutrition(2000, 300, 80, 80));
-        TestUser user3 = TestUser.createUser("John Doo", "profile3.jpg", "keycode789", 160, 55, 1, 25, BaseNutrition.createNutrition(2000, 300, 80, 80));
+        User user1 = User.createUser("John", "profile1.jpg", "keycode123", 175, 70, 0, 30, BaseNutrition.createNutrition(2000, 300, 80, 80));
+        User user2 = User.createUser("John Doe", "profile2.jpg", "keycode456", 170, 65, 1, 35, BaseNutrition.createNutrition(2000, 300, 80, 80));
+        User user3 = User.createUser("John Doo", "profile3.jpg", "keycode789", 160, 55, 1, 25, BaseNutrition.createNutrition(2000, 300, 80, 80));
         user1.setId(userId1);
         user2.setId(userId2);
         user3.setId(userId3);