diff --git a/lib/screens/purchase/payment_page.dart b/lib/screens/purchase/payment_page.dart
index 21f7594..6125bfc 100644
--- a/lib/screens/purchase/payment_page.dart
+++ b/lib/screens/purchase/payment_page.dart
@@ -63,11 +63,11 @@ class Payment extends StatelessWidget {
               callback: (Map<String, String> result) async {
                 print('결제 결과: $result');
 
-                if (result['success'] == 'true') {
+                if (result['error_msg'] == null) {
                   String? impUid = result['imp_uid'];
                   String? merchantUid = result['merchant_uid'];
                   await verifyIamport(product.id, impUid, merchantUid, context);
-                  Navigator.push(
+                  Navigator.pushReplacement(
                     context,
                     MaterialPageRoute(
                       builder: (context) => const PurchaseSuccess(),
@@ -79,6 +79,12 @@ class Payment extends StatelessWidget {
                   ScaffoldMessenger.of(context).showSnackBar(
                     SnackBar(content: Text('결제 실패: $errorMsg')),
                   );
+                  Navigator.pushReplacement(
+                    context,
+                    MaterialPageRoute(
+                      builder: (context) => const PurchaseFail(),
+                    ),
+                  );
                 }
               },
             );
@@ -167,6 +173,12 @@ class Payment extends StatelessWidget {
         ScaffoldMessenger.of(context).showSnackBar(
           const SnackBar(content: Text('결제 검증 성공')),
         );
+        Navigator.pushReplacement(
+          context,
+          MaterialPageRoute(
+            builder: (context) => const PurchaseSuccess(),
+          ),
+        );
       } else {
         // 실패 처리
         ScaffoldMessenger.of(context).showSnackBar(
diff --git a/lib/screens/purchase/purchase_fail.dart b/lib/screens/purchase/purchase_fail.dart
index 3da4a9d..a7cca28 100644
--- a/lib/screens/purchase/purchase_fail.dart
+++ b/lib/screens/purchase/purchase_fail.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:saphy/screens/main/main_screen.dart';
 import 'package:saphy/utils/colors.dart';
 import 'package:saphy/widgets/normal_button.dart';
 
@@ -18,7 +19,15 @@ class PurchaseFail extends StatelessWidget {
                 title: "홈으로 돌아가기",
                 bgColor: black,
                 txtColor: white,
-                onTap: () {},
+                onTap: () {
+                  Navigator.pushAndRemoveUntil(
+                    context,
+                    MaterialPageRoute(
+                      builder: (context) => const MainScreen(),
+                    ),
+                    (route) => false,
+                  );
+                },
                 flag: true)
           ],
         ),
diff --git a/lib/screens/purchase/purchase_success.dart b/lib/screens/purchase/purchase_success.dart
index bdbad1a..45d2deb 100644
--- a/lib/screens/purchase/purchase_success.dart
+++ b/lib/screens/purchase/purchase_success.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:saphy/screens/main/main_screen.dart';
 import 'package:saphy/utils/colors.dart';
 import 'package:saphy/widgets/normal_button.dart';
 
@@ -31,7 +32,15 @@ class PurchaseSuccess extends StatelessWidget {
                     title: "홈으로 돌아가기",
                     bgColor: black,
                     txtColor: white,
-                    onTap: () {},
+                    onTap: () {
+                      Navigator.pushAndRemoveUntil(
+                        context,
+                        MaterialPageRoute(
+                          builder: (context) => const MainScreen(),
+                        ),
+                        (route) => false,
+                      );
+                    },
                     flag: true)
               ],
             ),