diff --git a/.yarn/install-state.gz b/.yarn/install-state.gz
index 94a693a..8b85faa 100644
Binary files a/.yarn/install-state.gz and b/.yarn/install-state.gz differ
diff --git a/src/components/cards/QrCard.js b/src/components/cards/QrCard.js
index cec4443..148aedd 100644
--- a/src/components/cards/QrCard.js
+++ b/src/components/cards/QrCard.js
@@ -85,7 +85,7 @@ const QrCard = ({
             style={{ width: '100%' }}
             showsVerticalScrollIndicator={false}
           >
-            <Text style={styles.qrTitle}>임시 출입 QR</Text>
+            <Text style={styles.qrTitle}>출입 QR</Text>
             <QRCode
               value={qrData}
               // value={qrData_sample}
diff --git a/src/components/modals/MyAccessDetailModal.js b/src/components/modals/MyAccessDetailModal.js
index a1d6493..67b4a66 100644
--- a/src/components/modals/MyAccessDetailModal.js
+++ b/src/components/modals/MyAccessDetailModal.js
@@ -59,7 +59,7 @@ const MyAccessDetailModal = ({ isVisible, onClose, onConfirm, data }) => {
             <Text style={styles.modalText}>방문자: {data.visitorType}</Text>
             <Text style={styles.modalText}>시작일: {data.startDate}</Text>
             <Text style={styles.modalText}>만료일: {data.expireDate}</Text>
-            <Text style={styles.modalText}>승인 여부: {data.approval}</Text>
+            <Text style={styles.modalText}>승인 여부: {data.approval.replace(/\n/g, '')}</Text>
             <Text style={styles.modalText}>환자 번호: {data.patientNumber}</Text>
           </View>
           <View style={[styles.textContainer, { alignItems: 'center' }]}>
diff --git a/src/components/modals/PasswordConfirmModal.js b/src/components/modals/PasswordConfirmModal.js
index 843338c..81d6f28 100644
--- a/src/components/modals/PasswordConfirmModal.js
+++ b/src/components/modals/PasswordConfirmModal.js
@@ -2,6 +2,7 @@ import { useState, useEffect } from 'react';
 import { View, Text, Modal } from 'react-native';
 import { KeyboardAwareScrollView } from 'react-native-keyboard-aware-scroll-view';
 import { verifyPassword } from '../../apis/PasswordApi';
+import { useAuthStore } from '../../stores/authStore';
 import { useModalStore } from '../../stores/modalStore';
 import { styles } from './styles/PasswordConfirmModal.styles';
 import NormalInput from '../textinputs/NormalInput';
@@ -9,9 +10,11 @@ import NormalButton from '../buttons/NormalButton';
 import WaveHeader from '../headers/WaveHeader';
 
 const PasswordConfirmModal = ({ navigationRef }) => {
-  const { isPasswordModalVisible, pendingTab, prevTab, hidePasswordModal } = useModalStore();
+  const { isPasswordModalVisible, pendingTab, prevTab, isFromAppState, hidePasswordModal } =
+    useModalStore();
   const [password, setPassword] = useState('');
   const [errorText, setErrorText] = useState(''); // mediumText ErrorText
+  const setLastAuthTime = useAuthStore((state) => state.setLastAuthTime);
 
   useEffect(() => {
     if (isPasswordModalVisible) {
@@ -43,7 +46,8 @@ const PasswordConfirmModal = ({ navigationRef }) => {
 
     try {
       await verifyPassword(password);
-
+      // 인증 성공 시 인증 시각 저장
+      setLastAuthTime(Date.now());
       navigationRef.current?.navigate(pendingTab);
       hidePasswordModal();
     } catch (error) {
@@ -53,7 +57,11 @@ const PasswordConfirmModal = ({ navigationRef }) => {
 
   const onClosePasswordModal = () => {
     hidePasswordModal();
-    navigationRef.current?.navigate(prevTab);
+    if (isFromAppState) {
+      navigationRef.current?.navigate('MainPage'); // 홈으로 강제 이동
+    } else {
+      navigationRef.current?.navigate(prevTab); // 이전 탭으로 이동
+    }
   };
 
   return (
diff --git a/src/navigations/AppNavigator.js b/src/navigations/AppNavigator.js
index 2f6383c..c473f98 100644
--- a/src/navigations/AppNavigator.js
+++ b/src/navigations/AppNavigator.js
@@ -1,6 +1,6 @@
-import { useState, useEffect } from 'react';
+import { useState, useEffect, useRef } from 'react';
 import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
-import { StatusBar } from 'react-native';
+import { StatusBar, AppState } from 'react-native';
 import { NavigationContainer, DefaultTheme } from '@react-navigation/native';
 import { createStackNavigator } from '@react-navigation/stack';
 import Ionicons from 'react-native-vector-icons/Ionicons';
@@ -28,6 +28,7 @@ import AccessRequestRolePage from '../pages/AccessRequestRolePage';
 
 const Stack = createStackNavigator();
 const Tab = createBottomTabNavigator();
+const PASSWORD_AUTH_VALID_MS = 5 * 60 * 1000; // 비밀번호 재인증 시간 (5분)
 
 // StatusBar 스타일 설정
 const WHITE_TAB_SCREENS = ['MainPage', 'WelcomePage'];
@@ -106,11 +107,13 @@ export default function AppNavigator() {
     clearAccessToken,
     _hasHydrated, // hydration flag
   } = useAuthStore();
+  const lastAuthTime = useAuthStore((state) => state.lastAuthTime);
+  const appState = useRef(AppState.currentState);
 
   const showPasswordModal = useModalStore((state) => state.showPasswordModal);
 
   // 현재 라우트 이름을 저장하는 state
-  const [currentRouteName, setCurrentRouteName] = useState('WelcomePage');
+  const [currentRouteName, setCurrentRouteName] = useState(isLoggedIn ? 'MainPage' : 'WelcomePage');
 
   // 알림 읽음 여부 관련
   const { hasUnread, markAllAsRead } = useNoticeBadge();
@@ -143,10 +146,33 @@ export default function AppNavigator() {
 
   // 탭 클릭 시 비밀번호 모달 호출
   const handleTabPress = (e, tabName) => {
-    e.preventDefault();
-    showPasswordModal(tabName, currentRouteName || 'MainPage');
+    if (!lastAuthTime || Date.now() - lastAuthTime > PASSWORD_AUTH_VALID_MS) {
+      e.preventDefault();
+      showPasswordModal(tabName, currentRouteName || 'MainPage');
+    }
   };
 
+  // 비밀번호 모달 백그라운드 -> 포그라운드 변경시 적용
+  useEffect(() => {
+    const subscription = AppState.addEventListener('change', (nextAppState) => {
+      // 포그라운드로 돌아올 때
+      if (appState.current.match(/inactive|background/) && nextAppState === 'active') {
+        // 현재 라우트가 마이페이지(혹은 마이페이지 stack 내부)라면
+        if (currentRouteName === 'MyPage' || currentRouteName === 'MyPageStack') {
+          // 인증 만료됐으면 모달 띄우기
+          if (!lastAuthTime || Date.now() - lastAuthTime > PASSWORD_AUTH_VALID_MS) {
+            showPasswordModal('MyPageStack', currentRouteName, true);
+          }
+        }
+      }
+      appState.current = nextAppState;
+    });
+
+    return () => {
+      subscription.remove();
+    };
+  }, [currentRouteName, lastAuthTime]);
+
   const navTheme = {
     ...DefaultTheme,
     colors: {
diff --git a/src/stores/authStore.js b/src/stores/authStore.js
index 0b108a6..2054f35 100644
--- a/src/stores/authStore.js
+++ b/src/stores/authStore.js
@@ -39,6 +39,10 @@ export const useAuthStore = create(
       // hydration(스토리지 복원) 상태
       _hasHydrated: false,
       setHasHydrated: (state) => set({ _hasHydrated: state }),
+
+      //인증 시각 관리
+      lastAuthTime: 0,
+      setLastAuthTime: (time) => set({ lastAuthTime: time }),
     }),
     {
       name: 'auth-storage',
@@ -47,6 +51,7 @@ export const useAuthStore = create(
         accessToken: state.accessToken,
         isLoggedIn: state.isLoggedIn,
         userInfo: state.userInfo,
+        lastAuthTime: state.lastAuthTime,
       }),
       // 복원 완료 시 _hasHydrated를 true로 변경
       onRehydrateStorage: () => (state, error) => {
diff --git a/src/stores/modalStore.js b/src/stores/modalStore.js
index ced7b53..8736957 100644
--- a/src/stores/modalStore.js
+++ b/src/stores/modalStore.js
@@ -4,15 +4,18 @@ export const useModalStore = create((set) => ({
   isPasswordModalVisible: false,
   pendingTab: null, // 이동 시도한 탭 이름
   prevTab: '', // 이전 탭 이름
-  showPasswordModal: (tabName, prevTab) =>
+  isFromAppState: false, // 모달 출현 이유
+  showPasswordModal: (tabName, prevTab, isFromAppState = false) =>
     set({
       isPasswordModalVisible: true,
       pendingTab: tabName,
       prevTab,
+      isFromAppState,
     }),
   hidePasswordModal: () =>
     set({
       isPasswordModalVisible: false,
       pendingTab: null,
+      isFromAppState: false, // 닫을 때 초기화
     }),
 }));