diff --git a/src/main/java/com/example/gimmegonghakauth/user/service/UserService.java b/src/main/java/com/example/gimmegonghakauth/user/service/UserService.java
index 2f2f701..09658b9 100644
--- a/src/main/java/com/example/gimmegonghakauth/user/service/UserService.java
+++ b/src/main/java/com/example/gimmegonghakauth/user/service/UserService.java
@@ -1,16 +1,18 @@
 package com.example.gimmegonghakauth.user.service;
 
-import com.example.gimmegonghakauth.completed.infrastructure.CompletedCoursesDao;
-import com.example.gimmegonghakauth.user.infrastructure.UserRepository;
-import com.example.gimmegonghakauth.completed.domain.CompletedCoursesDomain;
 import com.example.gimmegonghakauth.common.domain.MajorsDomain;
+import com.example.gimmegonghakauth.completed.domain.CompletedCoursesDomain;
+import com.example.gimmegonghakauth.completed.infrastructure.CompletedCoursesDao;
 import com.example.gimmegonghakauth.user.domain.UserDomain;
+import com.example.gimmegonghakauth.user.infrastructure.UserRepository;
 import com.example.gimmegonghakauth.user.service.dto.ChangePasswordDto;
 import com.example.gimmegonghakauth.user.service.dto.UserJoinDto;
 import com.example.gimmegonghakauth.user.service.exception.UserNotFoundException;
 import com.example.gimmegonghakauth.user.service.port.UserEncoder;
+import java.time.LocalDate;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -19,20 +21,24 @@
 @Transactional
 @Service
 @RequiredArgsConstructor
+@Slf4j
 public class UserService {
 
     private final UserRepository userRepository;
     private final CompletedCoursesDao completedCoursesDao;
     private final UserEncoder userEncoder;
 
-    public UserDomain create(String _studentId, String password, String email,
-        MajorsDomain majorsDomain, String name) {
+    public UserDomain create(String _studentId, String password, String email, MajorsDomain majorsDomain, String name) {
         Long studentId = Long.parseLong(_studentId);
         UserDomain user = UserDomain.builder()
-            .studentId(studentId).password(userEncoder.encode(password))
-            .email(email).majorsDomain(majorsDomain).name(name)
-            .build();
+                .studentId(studentId).password(userEncoder.encode(password))
+                .email(email).majorsDomain(majorsDomain).name(name)
+                .build();
         userRepository.save(user);
+
+        log.info("{} {}학번 {} {}님이 가입하셨습니다.",
+                LocalDate.now(), studentId / 1000000, majorsDomain.getMajor(), user.getName());
+
         return user;
     }
 
@@ -44,7 +50,7 @@ public UserDomain updatePassword(UserDomain user, String newPassword) {
 
     public UserDomain getByStudentId(Long studentId) {
         return userRepository.findByStudentId(studentId)
-            .orElseThrow(() -> new UserNotFoundException(studentId));
+                .orElseThrow(() -> new UserNotFoundException(studentId));
     }
 
     public boolean joinValidation(UserJoinDto userJoinDto, BindingResult bindingResult) {
@@ -82,7 +88,7 @@ public boolean withdrawal(String _studentId, String password) {
         Long studentId = Long.parseLong(_studentId);
 
         UserDomain user = userRepository.findByStudentId(studentId)
-            .orElseThrow(() -> new UsernameNotFoundException("학번이 존재하지 않습니다."));
+                .orElseThrow(() -> new UsernameNotFoundException("학번이 존재하지 않습니다."));
 
         if (userEncoder.matches(password, user.getPassword())) {
             List<CompletedCoursesDomain> coursesList = completedCoursesDao.findByUserDomain(user);
@@ -98,24 +104,24 @@ public boolean withdrawal(String _studentId, String password) {
     }
 
     public boolean changePasswordValidation(ChangePasswordDto changePasswordDto,
-        BindingResult bindingResult, UserDomain user) {
+                                            BindingResult bindingResult, UserDomain user) {
         String password = user.getPassword();
         String inputPassword = changePasswordDto.getCurrentPassword();
         if (!userEncoder.matches(inputPassword, password)) { //입력한 패스워드가 현재 패스워드와 일치하지 않을 경우
             bindingResult.rejectValue("currentPassword", "currentPasswordInCorrect",
-                "현재 패스워드가 일치하지 않습니다.");
+                    "현재 패스워드가 일치하지 않습니다.");
             return false;
         }
         if (userEncoder.matches(changePasswordDto.getNewPassword1(),
-            password)) { //입력한 새 패스워드가 현재 패스워드와 일치하는 경우
+                password)) { //입력한 새 패스워드가 현재 패스워드와 일치하는 경우
             bindingResult.rejectValue("newPassword1", "sameCurrentPassword",
-                "현재 패스워드와 다른 패스워드를 입력해주세요.");
+                    "현재 패스워드와 다른 패스워드를 입력해주세요.");
             return false;
         }
         if (!changePasswordDto.getNewPassword1()
-            .equals(changePasswordDto.getNewPassword2())) {//새 패스워드 2개의 입력이 일치하지 않는 경우
+                .equals(changePasswordDto.getNewPassword2())) {//새 패스워드 2개의 입력이 일치하지 않는 경우
             bindingResult.rejectValue("newPassword2", "newPasswordInCorrect",
-                "입력한 패스워드가 일치하지 않습니다.");
+                    "입력한 패스워드가 일치하지 않습니다.");
             return false;
         }
         return true;