diff --git a/data/src/main/java/org/gdsc/data/datasource/TokenDataSource.kt b/data/src/main/java/org/gdsc/data/datasource/TokenDataSource.kt
new file mode 100644
index 00000000..a5e89e17
--- /dev/null
+++ b/data/src/main/java/org/gdsc/data/datasource/TokenDataSource.kt
@@ -0,0 +1,9 @@
+package org.gdsc.data.datasource
+
+import org.gdsc.data.model.Response
+import org.gdsc.domain.model.response.TokenResponse
+
+interface TokenDataSource {
+
+    suspend fun postRefreshToken(refreshToken: String): Response<TokenResponse>
+}
\ No newline at end of file
diff --git a/data/src/main/java/org/gdsc/data/datasource/TokenDataSourceImpl.kt b/data/src/main/java/org/gdsc/data/datasource/TokenDataSourceImpl.kt
new file mode 100644
index 00000000..7db78f0f
--- /dev/null
+++ b/data/src/main/java/org/gdsc/data/datasource/TokenDataSourceImpl.kt
@@ -0,0 +1,15 @@
+package org.gdsc.data.datasource
+
+import org.gdsc.data.model.Response
+import org.gdsc.data.network.TokenAPI
+import org.gdsc.domain.model.request.RefreshTokenRequest
+import org.gdsc.domain.model.response.TokenResponse
+import javax.inject.Inject
+
+class TokenDataSourceImpl @Inject constructor(
+    private val tokenAPI: TokenAPI
+): TokenDataSource {
+    override suspend fun postRefreshToken(refreshToken: String): Response<TokenResponse> {
+        return tokenAPI.refreshToken(RefreshTokenRequest(refreshToken))
+    }
+}
\ No newline at end of file
diff --git a/data/src/main/java/org/gdsc/data/di/ApiModule.kt b/data/src/main/java/org/gdsc/data/di/ApiModule.kt
index dd40d410..598998be 100644
--- a/data/src/main/java/org/gdsc/data/di/ApiModule.kt
+++ b/data/src/main/java/org/gdsc/data/di/ApiModule.kt
@@ -6,6 +6,7 @@ import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
 import org.gdsc.data.network.LoginAPI
 import org.gdsc.data.network.RestaurantAPI
+import org.gdsc.data.network.TokenAPI
 import org.gdsc.data.network.UserAPI
 import retrofit2.Retrofit
 import javax.inject.Singleton
@@ -32,4 +33,10 @@ class ApiModule {
         return retrofit.create(UserAPI::class.java)
     }
 
+    @Provides
+    @Singleton
+    fun provideTokenApi(@AuthClient retrofit: Retrofit): TokenAPI {
+        return retrofit.create(TokenAPI::class.java)
+    }
+
 }
\ No newline at end of file
diff --git a/data/src/main/java/org/gdsc/data/di/NetworkModule.kt b/data/src/main/java/org/gdsc/data/di/NetworkModule.kt
index ca32e0ee..da0c560e 100644
--- a/data/src/main/java/org/gdsc/data/di/NetworkModule.kt
+++ b/data/src/main/java/org/gdsc/data/di/NetworkModule.kt
@@ -1,13 +1,14 @@
 package org.gdsc.data.di
 
+import android.content.Context
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
 import org.gdsc.data.network.AuthInterceptor
-import org.gdsc.domain.repository.TokenManager
 import retrofit2.Retrofit
 import retrofit2.converter.gson.GsonConverterFactory
 import javax.inject.Singleton
@@ -33,7 +34,7 @@ class NetworkModule {
     @AuthClient
     @Provides
     @Singleton
-    fun provideAuthorizedApiClient(tokenManager: TokenManager): Retrofit {
+    fun provideAuthorizedApiClient(@ApplicationContext context: Context): Retrofit {
 
         return Retrofit
             .Builder()
@@ -41,7 +42,7 @@ class NetworkModule {
             .addConverterFactory(GsonConverterFactory.create())
             .client(
                 baseClientBuilder
-                    .addInterceptor(AuthInterceptor(tokenManager))
+                    .addInterceptor(AuthInterceptor(context.tokenDataStore))
                     .build()
             )
             .build()
diff --git a/data/src/main/java/org/gdsc/data/di/TokenModule.kt b/data/src/main/java/org/gdsc/data/di/TokenModule.kt
index 55dfe077..50bc25fe 100644
--- a/data/src/main/java/org/gdsc/data/di/TokenModule.kt
+++ b/data/src/main/java/org/gdsc/data/di/TokenModule.kt
@@ -9,22 +9,30 @@ import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
-import org.gdsc.data.datasource.TokenManagerImpl
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.data.datasource.TokenDataSource
+import org.gdsc.data.datasource.TokenDataSourceImpl
+import org.gdsc.data.network.TokenAPI
+import org.gdsc.data.repository.TokenRepositoryImpl
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Singleton
 
+val TOKEN_INFO_STORAGE = "token_info_storage"
+val Context.tokenDataStore: DataStore<Preferences> by preferencesDataStore(name = TOKEN_INFO_STORAGE)
+
 @Module
 @InstallIn(SingletonComponent::class)
 class TokenModule {
 
-    private val TOKEN_INFO_STORAGE = "token_info_storage"
-
-    private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = TOKEN_INFO_STORAGE)
+    @Provides
+    @Singleton
+    fun provideTokenDataSource(tokenAPI: TokenAPI): TokenDataSource {
+        return TokenDataSourceImpl(tokenAPI)
+    }
 
     @Provides
     @Singleton
-    fun provideTokenManager(@ApplicationContext context: Context): TokenManager {
-        return TokenManagerImpl(context.dataStore)
+    fun provideTokenRepository(@ApplicationContext context: Context, tokenDataSource: TokenDataSource): TokenRepository {
+        return TokenRepositoryImpl(context.tokenDataStore, tokenDataSource)
     }
 
 }
\ No newline at end of file
diff --git a/data/src/main/java/org/gdsc/data/network/Interceptors.kt b/data/src/main/java/org/gdsc/data/network/Interceptors.kt
index 1c26b6cf..feecd614 100644
--- a/data/src/main/java/org/gdsc/data/network/Interceptors.kt
+++ b/data/src/main/java/org/gdsc/data/network/Interceptors.kt
@@ -1,10 +1,15 @@
 package org.gdsc.data.network
 
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.stringPreferencesKey
 import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.runBlocking
 import okhttp3.Interceptor
 import okhttp3.Response
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.Empty
 import java.io.IOException
 import javax.inject.Inject
 
@@ -20,15 +25,21 @@ interface CoroutineInterceptor : Interceptor {
             }
         }
     }
+
     suspend fun interceptSuspend(chain: Interceptor.Chain): Response
 }
 
 class AuthInterceptor @Inject constructor(
-    private val tokenManager: TokenManager
+    private val dataStore: DataStore<Preferences>,
 ) : CoroutineInterceptor {
 
     override suspend fun interceptSuspend(chain: Interceptor.Chain): Response {
-        val token = "Bearer ${tokenManager.getAccessToken()}"
+
+        val accessToken = dataStore.data.map { preferences ->
+            preferences[stringPreferencesKey("accessToken")]
+        }.first() ?: String.Empty
+
+        val token = "Bearer $accessToken"
         val newRequest = chain.request().newBuilder()
             .addHeader("Authorization", token)
             .build()
diff --git a/data/src/main/java/org/gdsc/data/network/TokenAPI.kt b/data/src/main/java/org/gdsc/data/network/TokenAPI.kt
new file mode 100644
index 00000000..6ec7e01a
--- /dev/null
+++ b/data/src/main/java/org/gdsc/data/network/TokenAPI.kt
@@ -0,0 +1,14 @@
+package org.gdsc.data.network
+
+import org.gdsc.data.model.Response
+import org.gdsc.domain.model.request.RefreshTokenRequest
+import org.gdsc.domain.model.response.TokenResponse
+import retrofit2.http.Body
+import retrofit2.http.POST
+
+interface TokenAPI {
+    @POST("api/v1/token")
+    suspend fun refreshToken(
+        @Body request: RefreshTokenRequest
+    ): Response<TokenResponse>
+}
\ No newline at end of file
diff --git a/data/src/main/java/org/gdsc/data/datasource/TokenManagerImpl.kt b/data/src/main/java/org/gdsc/data/repository/TokenRepositoryImpl.kt
similarity index 77%
rename from data/src/main/java/org/gdsc/data/datasource/TokenManagerImpl.kt
rename to data/src/main/java/org/gdsc/data/repository/TokenRepositoryImpl.kt
index c97b8aa5..47e8dd52 100644
--- a/data/src/main/java/org/gdsc/data/datasource/TokenManagerImpl.kt
+++ b/data/src/main/java/org/gdsc/data/repository/TokenRepositoryImpl.kt
@@ -1,4 +1,4 @@
-package org.gdsc.data.datasource
+package org.gdsc.data.repository
 
 import androidx.datastore.core.DataStore
 import androidx.datastore.preferences.core.Preferences
@@ -7,14 +7,16 @@ import androidx.datastore.preferences.core.longPreferencesKey
 import androidx.datastore.preferences.core.stringPreferencesKey
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
+import org.gdsc.data.datasource.TokenDataSource
 import org.gdsc.domain.Empty
 import org.gdsc.domain.model.response.TokenResponse
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Inject
 
-class TokenManagerImpl @Inject constructor(
-    private val dataStore: DataStore<Preferences>
-): TokenManager {
+class TokenRepositoryImpl @Inject constructor(
+    private val dataStore: DataStore<Preferences>,
+    private val tokenDataSource: TokenDataSource
+) : TokenRepository {
 
 
     override suspend fun saveTokenInfo(tokenResponse: TokenResponse) {
@@ -59,6 +61,19 @@ class TokenManagerImpl @Inject constructor(
         }
     }
 
+    // check success or not
+    override suspend fun requestRefreshToken(refreshToken: String): Boolean {
+
+        try {
+            val newTokenInfo = tokenDataSource.postRefreshToken(refreshToken).data
+            saveTokenInfo(newTokenInfo)
+        } catch (e: Exception) {
+            return false
+        }
+
+        return true
+    }
+
     companion object {
         private val ACCESS_TOKEN = stringPreferencesKey("accessToken")
         private val ACCESS_TOKEN_EXPIRES_IN = longPreferencesKey("accessTokenExpiresIn")
diff --git a/domain/src/main/java/org/gdsc/domain/model/request/RefreshTokenRequest.kt b/domain/src/main/java/org/gdsc/domain/model/request/RefreshTokenRequest.kt
new file mode 100644
index 00000000..38a83d67
--- /dev/null
+++ b/domain/src/main/java/org/gdsc/domain/model/request/RefreshTokenRequest.kt
@@ -0,0 +1,5 @@
+package org.gdsc.domain.model.request
+
+data class RefreshTokenRequest(
+    val refreshToken: String
+)
diff --git a/domain/src/main/java/org/gdsc/domain/repository/TokenManager.kt b/domain/src/main/java/org/gdsc/domain/repository/TokenRepository.kt
similarity index 79%
rename from domain/src/main/java/org/gdsc/domain/repository/TokenManager.kt
rename to domain/src/main/java/org/gdsc/domain/repository/TokenRepository.kt
index cc9380f0..b359d066 100644
--- a/domain/src/main/java/org/gdsc/domain/repository/TokenManager.kt
+++ b/domain/src/main/java/org/gdsc/domain/repository/TokenRepository.kt
@@ -2,7 +2,7 @@ package org.gdsc.domain.repository
 
 import org.gdsc.domain.model.response.TokenResponse
 
-interface TokenManager {
+interface TokenRepository {
 
     suspend fun saveTokenInfo(tokenResponse: TokenResponse)
 
@@ -15,5 +15,7 @@ interface TokenManager {
     suspend fun getRefreshToken(): String
 
     suspend fun clearTokenInfo()
+
+    suspend fun requestRefreshToken(refreshToken: String): Boolean
     
 }
\ No newline at end of file
diff --git a/domain/src/main/java/org/gdsc/domain/usecase/token/ClearTokenInfoUseCase.kt b/domain/src/main/java/org/gdsc/domain/usecase/token/ClearTokenInfoUseCase.kt
index 0678c8f2..b00279f3 100644
--- a/domain/src/main/java/org/gdsc/domain/usecase/token/ClearTokenInfoUseCase.kt
+++ b/domain/src/main/java/org/gdsc/domain/usecase/token/ClearTokenInfoUseCase.kt
@@ -1,12 +1,12 @@
 package org.gdsc.domain.usecase.token
 
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Inject
 
 class ClearTokenInfoUseCase @Inject constructor(
-    private val tokenManager: TokenManager
+    private val tokenRepository: TokenRepository
 ) {
     suspend operator fun invoke() {
-        tokenManager.clearTokenInfo()
+        tokenRepository.clearTokenInfo()
     }
 }
\ No newline at end of file
diff --git a/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenExpiresInUseCase.kt b/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenExpiresInUseCase.kt
index 0c11bd6f..6fb18235 100644
--- a/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenExpiresInUseCase.kt
+++ b/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenExpiresInUseCase.kt
@@ -1,13 +1,13 @@
 package org.gdsc.domain.usecase.token
 
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Inject
 
 class GetAccessTokenExpiresInUseCase @Inject constructor(
-    private val tokenManager: TokenManager
+    private val tokenRepository: TokenRepository
 ) {
 
     suspend operator fun invoke(): Long {
-        return tokenManager.getAccessTokenExpiresIn()
+        return tokenRepository.getAccessTokenExpiresIn()
     }
 }
\ No newline at end of file
diff --git a/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenUseCase.kt b/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenUseCase.kt
index 993c1818..e70925ae 100644
--- a/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenUseCase.kt
+++ b/domain/src/main/java/org/gdsc/domain/usecase/token/GetAccessTokenUseCase.kt
@@ -1,13 +1,13 @@
 package org.gdsc.domain.usecase.token
 
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Inject
 
 class GetAccessTokenUseCase @Inject constructor(
-    private val tokenManager: TokenManager
+    private val tokenRepository: TokenRepository
 ) {
 
     suspend operator fun invoke(): String {
-        return tokenManager.getAccessToken()
+        return tokenRepository.getAccessToken()
     }
 }
\ No newline at end of file
diff --git a/domain/src/main/java/org/gdsc/domain/usecase/token/GetGrantTypeUseCase.kt b/domain/src/main/java/org/gdsc/domain/usecase/token/GetGrantTypeUseCase.kt
index 6075ab18..d0c683b0 100644
--- a/domain/src/main/java/org/gdsc/domain/usecase/token/GetGrantTypeUseCase.kt
+++ b/domain/src/main/java/org/gdsc/domain/usecase/token/GetGrantTypeUseCase.kt
@@ -1,13 +1,13 @@
 package org.gdsc.domain.usecase.token
 
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Inject
 
 class GetGrantTypeUseCase @Inject constructor(
-    private val tokenManager: TokenManager
+    private val tokenRepository: TokenRepository
 ) {
 
     suspend operator fun invoke(): String {
-        return tokenManager.getGrantType()
+        return tokenRepository.getGrantType()
     }
 }
\ No newline at end of file
diff --git a/domain/src/main/java/org/gdsc/domain/usecase/token/GetRefreshTokenUseCase.kt b/domain/src/main/java/org/gdsc/domain/usecase/token/GetRefreshTokenUseCase.kt
index 8d847f29..9997a47d 100644
--- a/domain/src/main/java/org/gdsc/domain/usecase/token/GetRefreshTokenUseCase.kt
+++ b/domain/src/main/java/org/gdsc/domain/usecase/token/GetRefreshTokenUseCase.kt
@@ -1,13 +1,13 @@
 package org.gdsc.domain.usecase.token
 
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Inject
 
 class GetRefreshTokenUseCase @Inject constructor(
-    private val tokenManager: TokenManager
+    private val tokenRepository: TokenRepository
 ) {
 
     suspend operator fun invoke(): String {
-        return tokenManager.getRefreshToken()
+        return tokenRepository.getRefreshToken()
     }
 }
\ No newline at end of file
diff --git a/domain/src/main/java/org/gdsc/domain/usecase/token/PostRefreshTokenUseCase.kt b/domain/src/main/java/org/gdsc/domain/usecase/token/PostRefreshTokenUseCase.kt
new file mode 100644
index 00000000..508913cf
--- /dev/null
+++ b/domain/src/main/java/org/gdsc/domain/usecase/token/PostRefreshTokenUseCase.kt
@@ -0,0 +1,13 @@
+package org.gdsc.domain.usecase.token
+
+import org.gdsc.domain.repository.TokenRepository
+import javax.inject.Inject
+
+class PostRefreshTokenUseCase@Inject constructor(
+    private val tokenRepository: TokenRepository
+) {
+
+    suspend operator fun invoke(refreshToken: String): Boolean {
+        return tokenRepository.requestRefreshToken(refreshToken)
+    }
+}
\ No newline at end of file
diff --git a/domain/src/main/java/org/gdsc/domain/usecase/token/SaveTokenUseCase.kt b/domain/src/main/java/org/gdsc/domain/usecase/token/SaveTokenUseCase.kt
index 685c558c..12a154fc 100644
--- a/domain/src/main/java/org/gdsc/domain/usecase/token/SaveTokenUseCase.kt
+++ b/domain/src/main/java/org/gdsc/domain/usecase/token/SaveTokenUseCase.kt
@@ -1,17 +1,17 @@
 package org.gdsc.domain.usecase.token
 
 import org.gdsc.domain.model.response.TokenResponse
-import org.gdsc.domain.repository.TokenManager
+import org.gdsc.domain.repository.TokenRepository
 import javax.inject.Inject
 
 class SaveTokenUseCase @Inject constructor(
-    private val tokenManager: TokenManager,
+    private val tokenRepository: TokenRepository,
 ){
 
     suspend operator fun invoke(
         response: TokenResponse
     ) {
-        tokenManager.saveTokenInfo(response)
+        tokenRepository.saveTokenInfo(response)
 
     }
 }
\ No newline at end of file
diff --git a/presentation/src/main/java/org/gdsc/presentation/login/SplashActivity.kt b/presentation/src/main/java/org/gdsc/presentation/login/SplashActivity.kt
index 4215a506..a34e3fb5 100644
--- a/presentation/src/main/java/org/gdsc/presentation/login/SplashActivity.kt
+++ b/presentation/src/main/java/org/gdsc/presentation/login/SplashActivity.kt
@@ -3,33 +3,79 @@ package org.gdsc.presentation.login
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import android.os.Handler
-import android.os.Looper
-import androidx.core.view.WindowCompat
+import androidx.lifecycle.lifecycleScope
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import org.gdsc.domain.usecase.token.GetRefreshTokenUseCase
+import org.gdsc.domain.usecase.token.PostRefreshTokenUseCase
+import org.gdsc.domain.usecase.token.VerifyAccessTokenUseCase
 import org.gdsc.presentation.R
+import org.gdsc.presentation.view.MainActivity
+import javax.inject.Inject
 
+@AndroidEntryPoint
 class SplashActivity : AppCompatActivity() {
 
-    val handle: Handler = Handler(Looper.getMainLooper())
+    @Inject
+    lateinit var verifyAccessTokenUseCase: VerifyAccessTokenUseCase
+
+    @Inject
+    lateinit var postRefreshTokenUseCase: PostRefreshTokenUseCase
+
+    @Inject
+    lateinit var getRefreshTokenUseCase: GetRefreshTokenUseCase
+
+    private val DELAY_TIME = 2000L
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_splash)
         setToFullPage()
 
-        handle.postDelayed({
-            Intent(this, LoginActivity::class.java).apply {
-                startActivity(this)
-            }
+        lifecycleScope.launch(Dispatchers.Main) {
+
+            val accessible = validateToken()
+
+            delay(DELAY_TIME)
+
+            if(accessible)
+                moveToMain()
+            else
+                moveToLogin()
+        }
+    }
+
+    private fun moveToMain() {
+        startActivity(Intent(applicationContext,MainActivity::class.java))
+        finish()
+    }
+
+    private fun moveToLogin() {
+        startActivity(Intent(applicationContext,LoginActivity::class.java))
+        finish()
+    }
+
+    private suspend fun validateToken(): Boolean {
+        val isAccessTokenValid = verifyAccessTokenUseCase.invoke()
+
 
-            finish()
-        }, 2000)
+        return if (isAccessTokenValid) { // 정상이면 그냥 리프레쉬
+            postRefreshTokenUseCase.invoke(getRefreshTokenUseCase.invoke())
+            true
+        } else {
+            // refresh 시도
+            val isRefreshSuccess = postRefreshTokenUseCase.invoke(getRefreshTokenUseCase.invoke())
+            isRefreshSuccess
+        }
     }
 
     private fun setToFullPage() {
         val window = window
         window.setFlags(
             android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
-            android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS)
+            android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
+        )
     }
 }
\ No newline at end of file