diff --git a/src/api/index.tsx b/src/api/index.tsx
index 4b01cc1a..c5a6ca4c 100644
--- a/src/api/index.tsx
+++ b/src/api/index.tsx
@@ -1,96 +1,71 @@
 import axios from 'axios';
 import { HTTP_STATUS_CODE } from '../constants/api';
 import { getCookie, removeCookie, setCookie } from '@hooks/sign-in/useSignIn';
+import { REFRESH_API } from './refresh';
 import { message } from 'antd';
-import { TextBox } from '@components/text-box';
 import { ROUTES } from '@/constants/routes';
-import { REFRESH_API } from './refresh';
+import { isAccessTokenExpired } from '@/utils/refresh';
 
 export const instance = axios.create({
   // baseURL: '',
   baseURL: process.env.REACT_APP_SERVER_URL,
+  timeout: 5000,
   headers: {
     'Content-Type': 'application/json',
-    timeout: 5000,
   },
 });
 
+const handleUnauthorized = () => {
+  removeCookie('accessToken');
+  removeCookie('refreshToken');
+  localStorage.clear();
+  message.error('로그인 만료 입니다.');
+  window.location.replace('/signin');
+};
+
 instance.interceptors.request.use(
-  (config) => {
+  async (config) => {
     const accessToken = getCookie('accessToken');
     if (accessToken) {
-      config.headers['Authorization'] = `Bearer ${accessToken}`;
+      const isTokenExpired = isAccessTokenExpired(accessToken);
+      if (isTokenExpired) {
+        try {
+          const res = await REFRESH_API.postRefresh({
+            accessToken: accessToken,
+            refreshToken: getCookie('refreshToken') as string,
+          });
+          config.headers['Authorization'] = `Bearer ${res.data.accessToken}`;
+          setCookie('accessToken', res.data.accessToken);
+          setCookie('refreshToken', res.data.refreshToken);
+        } catch (refreshError) {
+          console.log('재발급 실패');
+        }
+      } else {
+        config.headers['Authorization'] = `Bearer ${accessToken}`;
+      }
     }
     return config;
   },
   (error) => {
+    // 여기 뺐습니다.
     return Promise.reject(error);
   },
 );
 
 instance.interceptors.response.use(
-  (response) => {
-    return response;
-  },
-  async (error) => {
-    const accessToken = getCookie('accessToken');
-    const refreshToken = getCookie('refreshToken');
-    if (error.response.status === HTTP_STATUS_CODE.NOTFOUND) {
-      console.log('404페이지로 이동');
-    } else if (
+  (response) => response,
+  (error) => {
+    if (
+      error.response?.status === HTTP_STATUS_CODE.UNAUTHORIZED &&
       window.location.pathname !== ROUTES.SIGNIN &&
-      window.location.pathname !== ROUTES.SIGNUP &&
       window.location.pathname !== ROUTES.SIGNIN_AGREEMENT &&
-      window.location.pathname !== ROUTES.SIGNUP_SUCCESS &&
-      error.response.status === HTTP_STATUS_CODE.UNAUTHORIZED &&
-      accessToken
-    ) {
-      try {
-        const response = await REFRESH_API.postRefresh({
-          accessToken: accessToken,
-          refreshToken: refreshToken as string,
-        });
-        removeCookie('accessToken');
-        removeCookie('refreshToken');
-        removeCookie('accommodationId');
-        const newAccessToken = response.data.data.accessToken;
-        const newRefreshToken = response.data.data.refreshToken;
-        setCookie('accessToken', newAccessToken);
-        setCookie('refreshToken', newRefreshToken);
-      } catch (error) {
-        removeCookie('accessToken');
-        removeCookie('refreshToken');
-        removeCookie('accommodationId');
-        message.error({
-          content: (
-            <TextBox typography="body3" fontWeight={'400'}>
-              로그인 만료입니다.
-            </TextBox>
-          ),
-          duration: 2,
-        });
-        setTimeout(() => {
-          window.location.href = ROUTES.SIGNIN;
-        }, 1000);
-      }
-      return axios(error.config);
-    } else if (
-      !accessToken &&
-      window.location.pathname !== ROUTES.SIGNIN &&
       window.location.pathname !== ROUTES.SIGNUP &&
-      window.location.pathname !== ROUTES.SIGNIN_AGREEMENT &&
       window.location.pathname !== ROUTES.SIGNUP_SUCCESS
     ) {
-      removeCookie('accessToken');
-      removeCookie('refreshToken');
-      removeCookie('accommodationId');
-      localStorage.clear();
-      setTimeout(() => {
-        window.location.href = ROUTES.SIGNIN;
-      }, 1000);
+      handleUnauthorized();
+    } else if (error.response?.status === HTTP_STATUS_CODE.NOTFOUND) {
+      console.log('여기 404에러 핸들링 필요해요~');
     }
     return Promise.reject(error);
   },
 );
-
-export default instance;
diff --git a/src/api/refresh/index.ts b/src/api/refresh/index.ts
index 19cc30c4..3e0f084a 100644
--- a/src/api/refresh/index.ts
+++ b/src/api/refresh/index.ts
@@ -1,8 +1,7 @@
 import { instance } from '..';
 import { PostRefreshData, RefreshData } from './type';
-import { Response } from '@/types/api';
 
 export const REFRESH_API = {
   postRefresh: (data: RefreshData) =>
-    instance.post<Response<PostRefreshData>>('/api/auth/refresh', data),
+    instance.post<PostRefreshData>('/api/auth/refresh', data),
 };
diff --git a/src/api/sign-up/index.ts b/src/api/sign-up/index.ts
index 0c3045a8..5152b61e 100644
--- a/src/api/sign-up/index.ts
+++ b/src/api/sign-up/index.ts
@@ -7,18 +7,17 @@ import {
   VerificationData,
 } from './type';
 import { instance } from '..';
-import { Response } from '@/types/api';
 
 export const SIGN_UP_API = {
   postSignUp: (data: SignUpData) =>
-    instance.post<Response<PostSignUpResData>>('/api/auth/owners/signup', data),
+    instance.post<PostSignUpResData>('/api/auth/owners/signup', data),
   postAuthentication: (data: AuthenticationData) =>
-    instance.post<Response<PostAuthenticationData>>(
+    instance.post<PostAuthenticationData>(
       '/api/auth/owners/request-email',
       data,
     ),
   getVerify: (data: VerificationData) =>
-    instance.get<Response<GetVerificationData>>('/api/auth/owners/verify', {
+    instance.get<GetVerificationData>('/api/auth/owners/verify', {
       params: {
         email: data.email,
         'verification-code': data.verificationCode,
diff --git a/src/assets/data/signInData.json b/src/assets/data/signInData.json
index 7fedf1f3..9ab4b30d 100644
--- a/src/assets/data/signInData.json
+++ b/src/assets/data/signInData.json
@@ -1,12 +1,9 @@
 {
-  "message": "성공적으로 로그인 했습니다.",
-  "data": {
-    "accessToken": "eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJ0ZXN0MTIzNDVAbmF2ZXIuY29tIiwiaWF0IjoxNzAxMzMwOTE0LCJleHAiOjE3MDE0MTczMTR9._G-tEQZpJdCgT_Uo4ipDByBwjP-0HclSq35G3MLvNvIiPILbT0Y9MZR19gTWDbzLuU0Gp1phFMbSGNYuAD1cSg",
-    "refreshToken": "eyJhbGciOiJIUzUxMiJ9.eyJpYXQiOjE3MDEzMzA5MTQsImV4cCI6MTcwMTkzNTcxNH0.8BZt06CkTEWx7FyT4OH4c7ZNNplz9un2TCmyxf-nM5aCJe-MXJVdJAYnHW00j3ZytR_aYWp-R78tBSSF3pfAkw",
-    "memberResponse": {
-      "id": 1,
-      "email": "test123@mail.com",
-      "name": "홍길동"
-    }
+  "accessToken": "eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJ0ZXN0MTIzNDVAbmF2ZXIuY29tIiwiaWF0IjoxNzAxMzMwOTE0LCJleHAiOjE3MDE0MTczMTR9._G-tEQZpJdCgT_Uo4ipDByBwjP-0HclSq35G3MLvNvIiPILbT0Y9MZR19gTWDbzLuU0Gp1phFMbSGNYuAD1cSg",
+  "refreshToken": "eyJhbGciOiJIUzUxMiJ9.eyJpYXQiOjE3MDEzMzA5MTQsImV4cCI6MTcwMTkzNTcxNH0.8BZt06CkTEWx7FyT4OH4c7ZNNplz9un2TCmyxf-nM5aCJe-MXJVdJAYnHW00j3ZytR_aYWp-R78tBSSF3pfAkw",
+  "memberResponse": {
+    "id": 1,
+    "email": "test123@mail.com",
+    "name": "홍길동"
   }
 }
diff --git a/src/components/layout/side-bar/signout-btn/index.tsx b/src/components/layout/side-bar/signout-btn/index.tsx
index 326c600b..fa452d3b 100644
--- a/src/components/layout/side-bar/signout-btn/index.tsx
+++ b/src/components/layout/side-bar/signout-btn/index.tsx
@@ -1,12 +1,23 @@
+import { ROUTES } from '@/constants/routes';
 import { LogoutOutlined } from '@ant-design/icons';
 import { TextBox } from '@components/text-box';
+import { removeCookie } from '@hooks/sign-in/useSignIn';
 import styled from 'styled-components';
 
 export const SignOutBtn = () => {
+  const handleSignOut = () => {
+    // 여기에 로그아웃 api 연결할 예정
+    // 밑에는 onSuccess 시 할 일
+    removeCookie('accessToken');
+    removeCookie('refreshToken');
+    localStorage.clear();
+    window.location.href = ROUTES.SIGNIN;
+    // 여기 밑에는 onError 시 할 일 추가할 예정
+  };
   return (
     <StyledContainer>
       <StyledLogoutOutlined />
-      <TextBox typography="body2" color="black700">
+      <TextBox typography="body2" color="black700" onClick={handleSignOut}>
         로그아웃
       </TextBox>
     </StyledContainer>
diff --git a/src/hooks/sign-in/useSignIn.ts b/src/hooks/sign-in/useSignIn.ts
index d2e85a93..121ed2e3 100644
--- a/src/hooks/sign-in/useSignIn.ts
+++ b/src/hooks/sign-in/useSignIn.ts
@@ -1,7 +1,7 @@
 export const setCookie = (name: string, value: string | number) => {
   try {
     if (name === 'accessToken') {
-      document.cookie = `${name}=${value};max-age=7200;path=/;`;
+      document.cookie = `${name}=${value};max-age=3600;path=/;`;
     } else if (name === 'refreshToken') {
       const expirationDate = new Date();
       expirationDate.setDate(expirationDate.getDate() + 7);
diff --git a/src/pages/sign-in/index.tsx b/src/pages/sign-in/index.tsx
index 8be5ce5c..6afb50b2 100644
--- a/src/pages/sign-in/index.tsx
+++ b/src/pages/sign-in/index.tsx
@@ -24,6 +24,8 @@ export const SignIn = () => {
       setCookie('accessToken', response.data.accessToken);
       setCookie('refreshToken', response.data.refreshToken);
       const memberResponse = response.data.memberResponse;
+      setCookie('accessToken', response.data.accessToken);
+      setCookie('refreshToken', response.data.refreshToken);
       const memberData = JSON.stringify(memberResponse);
       localStorage.setItem('member', memberData);
       if (accommodationListData?.accommodations[0]?.id) {
@@ -32,74 +34,35 @@ export const SignIn = () => {
           accommodationListData?.accommodations[0]?.id,
         );
       }
-      try {
-        const res = isAccomodationList();
-        if (res === true) {
-          const accomodationId = getCookie('accomodationId');
-          setTimeout(() => {
-            handleChangeUrl(`/${accomodationId}/main`);
-          }, 1000);
-        } else {
-          setTimeout(() => {
-            handleChangeUrl('/init');
-          }, 1000);
-        }
-      } catch (e) {
-        message.error({
-          content: (
-            <TextBox typography="body3" fontWeight={'400'}>
-              요청에 실패했습니다. 잠시 후 다시 시도해 주세요.
-            </TextBox>
-          ),
-          duration: 2,
-          style: {
-            width: '346px',
-            height: '41px',
-          },
-        });
+      const res = isAccommodationList();
+      if (res === true) {
+        const accommodationId = getCookie('accommodationId');
+        setTimeout(() => {
+          handleChangeUrl(`/${accommodationId}/main`);
+        }, 1000);
+      } else {
+        setTimeout(() => {
+          handleChangeUrl('/init');
+        }, 1000);
       }
     },
-    onError(error) {
-      if (error instanceof AxiosError && error.response) {
-        if (error.response.status === HTTP_STATUS_CODE.BAD_GATEWAY) {
-          message.error({
-            content: (
-              <TextBox typography="body3" fontWeight={'400'}>
-                요청에 실패했습니다. 잠시 후 다시 시도해 주세요.
-              </TextBox>
-            ),
-            duration: 2,
-            style: {
-              width: '346px',
-              height: '41px',
-            },
-          });
-        } else {
-          message.error({
-            content: (
-              <TextBox typography="body3" fontWeight={'400'}>
-                이메일과 비밀번호를 확인해 주세요.
-              </TextBox>
-            ),
-            duration: 2,
-            style: {
-              width: '346px',
-              height: '41px',
-            },
-          });
-        }
-      }
+    onError() {
+      message.error({
+        content: (
+          <TextBox typography="body3" fontWeight={'400'}>
+            이메일과 비밀번호를 확인해 주세요.
+          </TextBox>
+        ),
+        duration: 2,
+      });
     },
   });
-  const isAccomodationList = () => {
-    if (
+
+  const isAccommodationList = () => {
+    return (
       accommodationListData?.accommodations &&
       accommodationListData.accommodations.length > 0
-    ) {
-      return true;
-    } else {
-      return false;
-    }
+    );
   };
 
   const handleOnclick = () => {
@@ -123,6 +86,7 @@ export const SignIn = () => {
       });
     }
   };
+
   const formik = useFormik({
     initialValues: {
       email: '',
@@ -130,11 +94,43 @@ export const SignIn = () => {
     },
     validationSchema: ValidateSchema,
     onSubmit: async (values) => {
-      const signInData: SignInData = {
-        email: values.email,
-        password: values.password,
-      };
-      mutate(signInData);
+      try {
+        const signInData: SignInData = {
+          email: values.email,
+          password: values.password,
+        };
+        await mutate(signInData);
+      } catch (e) {
+        if (e instanceof AxiosError && e.response) {
+          if (e.response.status === HTTP_STATUS_CODE.BAD_GATEWAY) {
+            message.error({
+              content: (
+                <TextBox typography="body3" fontWeight={'400'}>
+                  요청에 실패했습니다. 잠시 후 다시 시도해 주세요.
+                </TextBox>
+              ),
+              duration: 2,
+              style: {
+                width: '346px',
+                height: '41px',
+              },
+            });
+          } else {
+            message.error({
+              content: (
+                <TextBox typography="body3" fontWeight={'400'}>
+                  이메일과 비밀번호를 확인해 주세요.
+                </TextBox>
+              ),
+              duration: 2,
+              style: {
+                width: '346px',
+                height: '41px',
+              },
+            });
+          }
+        }
+      }
     },
   });
 
@@ -155,7 +151,7 @@ export const SignIn = () => {
               value={values.email}
               onChange={handleChange}
               onBlur={handleBlur}
-            ></StyledInput>
+            />
             {touched.email && errors.email && (
               <TextBox typography="body4" color="error">
                 {errors.email}
@@ -171,7 +167,7 @@ export const SignIn = () => {
               value={values.password}
               onChange={handleChange}
               onBlur={handleBlur}
-            ></StyledPassword>
+            />
             {touched.password && errors.password && (
               <TextBox typography="body4" color="error">
                 {errors.password}
diff --git a/src/queries/sign-up/index.ts b/src/queries/sign-up/index.ts
index cc7b67dd..6ec44124 100644
--- a/src/queries/sign-up/index.ts
+++ b/src/queries/sign-up/index.ts
@@ -6,34 +6,32 @@ import {
   PostSignUpResData,
   SignUpData,
 } from '@api/sign-up/type';
-import { Response } from '@/types/api';
 import { SIGN_UP_API } from '@api/sign-up';
 
 export const usePostSignUp = (
   options?: UseMutationOptions<
-    AxiosResponse<Response<PostSignUpResData>>,
+    AxiosResponse<PostSignUpResData>,
     AxiosError,
     SignUpData
   >,
 ) => {
-  return useMutation<
-    AxiosResponse<Response<PostSignUpResData>>,
-    AxiosError,
-    SignUpData
-  >((data: SignUpData) => SIGN_UP_API.postSignUp(data), {
-    ...options,
-  });
+  return useMutation<AxiosResponse<PostSignUpResData>, AxiosError, SignUpData>(
+    (data: SignUpData) => SIGN_UP_API.postSignUp(data),
+    {
+      ...options,
+    },
+  );
 };
 
 export const usePostAuthentication = (
   options?: UseMutationOptions<
-    AxiosResponse<Response<PostAuthenticationData>>,
+    AxiosResponse<PostAuthenticationData>,
     AxiosError,
     AuthenticationData
   >,
 ) => {
   return useMutation<
-    AxiosResponse<Response<PostAuthenticationData>>,
+    AxiosResponse<PostAuthenticationData>,
     AxiosError,
     AuthenticationData
   >((data: AuthenticationData) => SIGN_UP_API.postAuthentication(data), {
diff --git a/src/utils/refresh/index.ts b/src/utils/refresh/index.ts
new file mode 100644
index 00000000..f4ca32ea
--- /dev/null
+++ b/src/utils/refresh/index.ts
@@ -0,0 +1,18 @@
+export function isAccessTokenExpired(accessToken: string) {
+  if (!accessToken) {
+    return true;
+  }
+
+  const decodedToken = decodeAccessToken(accessToken);
+  const currentTime = Math.floor(Date.now() / 1000);
+
+  return decodedToken.exp < currentTime;
+}
+
+function decodeAccessToken(accessToken: string) {
+  const tokenParts = accessToken.split('.');
+  const encodedPayload = tokenParts[1];
+  const decodedPayload = atob(encodedPayload);
+
+  return JSON.parse(decodedPayload);
+}