diff --git a/src/main/java/com/hanaro/hanafun/reservation/controller/ReservationController.java b/src/main/java/com/hanaro/hanafun/reservation/controller/ReservationController.java
index 8fcf120..deaec49 100644
--- a/src/main/java/com/hanaro/hanafun/reservation/controller/ReservationController.java
+++ b/src/main/java/com/hanaro/hanafun/reservation/controller/ReservationController.java
@@ -6,6 +6,7 @@
 import com.hanaro.hanafun.reservation.service.ReservationService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
@@ -18,8 +19,8 @@ public class ReservationController {
 
     // 마이페이지 데이터 출력
     @GetMapping("/my")
-    public ResponseEntity<ApiResponse> myPage(@RequestBody MyPageReqDto myPageReqDto) {
-        MyPageResDto myPageResDto = reservationService.myPage(myPageReqDto);
+    public ResponseEntity<ApiResponse> myPage(@AuthenticationPrincipal Long userId) {
+        MyPageResDto myPageResDto = reservationService.myPage(userId);
         return ResponseEntity.ok(new ApiResponse<>(true, "ok", myPageResDto));
     }
 
diff --git a/src/main/java/com/hanaro/hanafun/reservation/service/ReservationService.java b/src/main/java/com/hanaro/hanafun/reservation/service/ReservationService.java
index 1977b85..bd2f62a 100644
--- a/src/main/java/com/hanaro/hanafun/reservation/service/ReservationService.java
+++ b/src/main/java/com/hanaro/hanafun/reservation/service/ReservationService.java
@@ -7,7 +7,7 @@
 
 public interface ReservationService {
     // 마이페이지 데이터 출력
-    MyPageResDto myPage(MyPageReqDto myPageReqDto);
+    MyPageResDto myPage(Long userId);
 
     // 나의 신청 클래스 데이터 출력
     List<ReservationList> myLessons(MyPageReqDto myPageReqDto);
diff --git a/src/main/java/com/hanaro/hanafun/reservation/service/impl/ReservationServiceImpl.java b/src/main/java/com/hanaro/hanafun/reservation/service/impl/ReservationServiceImpl.java
index ad9dbbd..707a095 100644
--- a/src/main/java/com/hanaro/hanafun/reservation/service/impl/ReservationServiceImpl.java
+++ b/src/main/java/com/hanaro/hanafun/reservation/service/impl/ReservationServiceImpl.java
@@ -38,8 +38,8 @@ public class ReservationServiceImpl implements ReservationService {
     // 마이페이지 데이터 출력
     @Transactional
     @Override
-    public MyPageResDto myPage(MyPageReqDto myPageReqDto) {
-        UserEntity user = userRepository.findById(myPageReqDto.getUserId()).orElseThrow(() -> new UserNotFoundException());
+    public MyPageResDto myPage(Long userId) {
+        UserEntity user = userRepository.findById(userId).orElseThrow(() -> new UserNotFoundException());
         List<ReservationEntity> reservations = reservationRepository.findReservationEntitiesByUserEntity(user);
 
         LocalDate today = LocalDate.now();  // 오늘이후 날짜의 예약만 출력