diff --git a/src/main/java/com/example/demo/creditcard/CreditCardController.java b/src/main/java/com/example/demo/creditcard/CreditCardController.java
index 3b99556..f328e6b 100644
--- a/src/main/java/com/example/demo/creditcard/CreditCardController.java
+++ b/src/main/java/com/example/demo/creditcard/CreditCardController.java
@@ -51,10 +51,11 @@ public Response findOne(@PathVariable("id") Long cardId) {
 
         try {
             CreditCardInfo findCard = creditCardService.findOne(cardId);
+            SavedCardRes resDto = SavedCardRes.toDto(findCard);
             response.setCode(200);
             response.setResponse("success");
             response.setMessage("카드 조회에 성공하였습니다.");
-            response.setData(findCard);
+            response.setData(resDto);
         } catch (Exception e) {
             response.setCode(500);
             response.setResponse("failed");
@@ -66,15 +67,17 @@ public Response findOne(@PathVariable("id") Long cardId) {
     }
 
     @PostMapping("/update/{id}")
-    public Response update(@PathVariable("id") Long cardId, @RequestBody CreditCardInfo creditCardInfo) {
+    public Response update(@PathVariable("id") Long cardId, @RequestBody CreditCardInfoDto dto) {
         Response response = new Response();
 
         try {
-            creditCardService.update(cardId, creditCardInfo);
+            CreditCardInfo creditCardInfo = CreditCardInfoDto.toEntity(dto);
+            CreditCardInfo update = creditCardService.update(cardId, creditCardInfo);
+            CreditCardInfoDto creditCardInfoDto = CreditCardInfoDto.toDto(update);
             response.setCode(200);
             response.setResponse("success");
             response.setMessage("카드 수정에 성공하였습니다.");
-            response.setData(creditCardInfo);
+            response.setData(creditCardInfoDto);
         } catch (Exception e) {
             response.setCode(500);
             response.setResponse("failed");
diff --git a/src/main/java/com/example/demo/creditcard/CreditCardService.java b/src/main/java/com/example/demo/creditcard/CreditCardService.java
index ef5c687..32b7bfe 100644
--- a/src/main/java/com/example/demo/creditcard/CreditCardService.java
+++ b/src/main/java/com/example/demo/creditcard/CreditCardService.java
@@ -37,10 +37,10 @@ public CreditCardInfo findOne(Long id) {
     }
 
     @Transactional
-    public void update(Long id, CreditCardInfo creditCardInfo) {
+    public CreditCardInfo update(Long id, CreditCardInfo creditCardInfo) {
         CreditCardInfo findCreditCard = creditCardRepository.findById(id).orElseThrow(EntityNotFoundException::new);
-
         findCreditCard.updateCreditCard(creditCardInfo);
+        return findCreditCard;
     }
 
     @Transactional
diff --git a/src/main/java/com/example/demo/creditcard/request/CreditCardInfoDto.java b/src/main/java/com/example/demo/creditcard/request/CreditCardInfoDto.java
index b9ee285..74292d9 100644
--- a/src/main/java/com/example/demo/creditcard/request/CreditCardInfoDto.java
+++ b/src/main/java/com/example/demo/creditcard/request/CreditCardInfoDto.java
@@ -24,9 +24,7 @@ public class CreditCardInfoDto {
     private int expireMonth;
     private LocalDate birth;
     private String simplePassword;
-    private User user;
-    private List<CustomOrder> customOrders = new ArrayList<>();
-    private List<Order> orders = new ArrayList<>();
+    private String email;
 
     /**
      * 신용카드 등록을 위한 dto to entity
@@ -44,12 +42,21 @@ public static CreditCardInfo toEntity(CreditCardInfoDto dto) {
                 .expireMonth(dto.getExpireMonth())
                 .birth(dto.getBirth())
                 .simplePassword(dto.getSimplePassword())
-                .user(dto.getUser())
-                .customOrders(dto.getCustomOrders())
-                .orders(dto.getOrders())
                 .build();
     }
 
+    public static CreditCardInfoDto toDto(CreditCardInfo entity) {
+        return CreditCardInfoDto.builder()
+                .cardNickname(entity.getCardNickname())
+                .creditCardBank(entity.getCreditCardBank())
+                .cardNum(entity.getCardNum())
+                .expireYear(entity.getExpireYear())
+                .expireMonth(entity.getExpireMonth())
+                .birth(entity.getBirth())
+                .simplePassword(entity.getSimplePassword())
+                .email(entity.getUser().getEmail())
+                .build();
+    }
 
 
     public void updateCreditCard(CreditCardInfoDto creditCardInfo) {