diff --git a/app/src/main/java/com/example/infraandroid/MainActivity.kt b/app/src/main/java/com/example/infraandroid/MainActivity.kt
index ea0cf04..8317d14 100644
--- a/app/src/main/java/com/example/infraandroid/MainActivity.kt
+++ b/app/src/main/java/com/example/infraandroid/MainActivity.kt
@@ -9,6 +9,8 @@ import androidx.navigation.ui.NavigationUI
 import com.example.infraandroid.databinding.ActivityMainBinding
 
 import android.view.View
+import android.widget.Toast
+import com.google.android.material.snackbar.Snackbar
 import com.kakao.sdk.common.util.Utility
 
 class MainActivity : AppCompatActivity() {
diff --git a/app/src/main/java/com/example/infraandroid/home/view/fragment/HomeFragment.kt b/app/src/main/java/com/example/infraandroid/home/view/fragment/HomeFragment.kt
index 808fed4..af6e044 100644
--- a/app/src/main/java/com/example/infraandroid/home/view/fragment/HomeFragment.kt
+++ b/app/src/main/java/com/example/infraandroid/home/view/fragment/HomeFragment.kt
@@ -1,11 +1,6 @@
 package com.example.infraandroid.home.view.fragment
 
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
 import android.widget.Toast
-import androidx.fragment.app.Fragment
 import androidx.navigation.findNavController
 import com.example.infraandroid.util.InfraApplication
 import com.example.infraandroid.R
@@ -119,4 +114,6 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home) {
             }
         }
     }
+
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/infraandroid/id/view/LoginFragment.kt b/app/src/main/java/com/example/infraandroid/id/view/LoginFragment.kt
index 99eb0d8..df4f572 100644
--- a/app/src/main/java/com/example/infraandroid/id/view/LoginFragment.kt
+++ b/app/src/main/java/com/example/infraandroid/id/view/LoginFragment.kt
@@ -6,6 +6,7 @@ import android.content.IntentSender
 import android.util.Log
 import android.widget.Toast
 import androidx.navigation.findNavController
+import androidx.navigation.fragment.findNavController
 import com.example.infraandroid.BuildConfig
 import com.example.infraandroid.util.InfraApplication
 import com.example.infraandroid.R
@@ -40,7 +41,7 @@ class LoginFragment : BaseFragment<FragmentLoginBinding>(R.layout.fragment_login
     private var showOneTapUI = true
 
     override fun FragmentLoginBinding.onCreateView(){
-        oneTapClient = Identity.getSignInClient(requireActivity())
+//        oneTapClient = Identity.getSignInClient(requireActivity())
 //        signInRequest = BeginSignInRequest.builder()
 //            .setPasswordRequestOptions(BeginSignInRequest.PasswordRequestOptions.builder()
 //                .setSupported(true)
@@ -56,6 +57,46 @@ class LoginFragment : BaseFragment<FragmentLoginBinding>(R.layout.fragment_login
 //            // Automatically sign in when exactly one credential is retrieved.
 //            .setAutoSelectEnabled(true)
 //            .build()
+        if(InfraApplication.prefs.getUserId().isNotEmpty()
+        and InfraApplication.prefs.getUserPW().isNotEmpty()){
+
+            val requestLoginData = RequestLoginData(
+                userId = InfraApplication.prefs.getUserId(),
+                userPw = InfraApplication.prefs.getUserPW(),
+            )
+
+            val call: Call<ResponseLoginData> = ServiceCreator.loginService
+                .postLogin(requestLoginData)
+
+            call.enqueue(object : Callback<ResponseLoginData>{
+                override fun onResponse(
+                    call: Call<ResponseLoginData>,
+                    response: Response<ResponseLoginData>
+                ) {
+                    if(response.isSuccessful){
+                        val code = response.body()?.code
+                        when(code){
+                            1000 -> {
+                                InfraApplication.prefs.setString("jwt", response.body()?.result?.jwt.toString())
+                                InfraApplication.prefs.setString("refreshToken", response.body()?.result?.refreshToken.toString())
+                                InfraApplication.prefs.setString("userId", response.body()?.result?.userId.toString())
+                                InfraApplication.prefs.setString("userNickName", response.body()?.result?.userNickName.toString())
+                                Toast.makeText(requireActivity(),"요청에 성공하셨습니다.", Toast.LENGTH_SHORT).show()
+                                // 로그인 버튼을 누르면 home_fragment로 이동
+                                findNavController().navigate(R.id.action_login_fragment_to_home_fragment)
+                            }
+                            2001 -> {Toast.makeText(requireActivity(),"id가 비어있습니다.", Toast.LENGTH_SHORT).show()}
+                            3014 -> {Toast.makeText(requireActivity(),"없는 아이디거나 비밀번호가 틀렸습니다.", Toast.LENGTH_SHORT).show()}
+                            4000 -> {Toast.makeText(requireActivity(),"데이터베이스 연결에 실패하였습니다.", Toast.LENGTH_SHORT).show()}
+                        }
+                    }
+                }
+
+                override fun onFailure(call: Call<ResponseLoginData>, t: Throwable) {
+                    Log.e("login_server_test", "fail")
+                }
+            })
+        }
     }
 
     override fun FragmentLoginBinding.onViewCreated(){
@@ -87,6 +128,8 @@ class LoginFragment : BaseFragment<FragmentLoginBinding>(R.layout.fragment_login
                                 InfraApplication.prefs.setString("refreshToken", response.body()?.result?.refreshToken.toString())
                                 InfraApplication.prefs.setString("userId", response.body()?.result?.userId.toString())
                                 InfraApplication.prefs.setString("userNickName", response.body()?.result?.userNickName.toString())
+                                InfraApplication.prefs.setUserId(response.body()?.result?.userId.toString())
+                                InfraApplication.prefs.setUserPW(inputPw)
                                 Toast.makeText(requireActivity(),"요청에 성공하셨습니다.", Toast.LENGTH_SHORT).show()
                                 // 로그인 버튼을 누르면 home_fragment로 이동
                                 it.findNavController().navigate(R.id.action_login_fragment_to_home_fragment)
diff --git a/app/src/main/java/com/example/infraandroid/id/viewmodel/Prefs.kt b/app/src/main/java/com/example/infraandroid/id/viewmodel/Prefs.kt
index a1b2b10..40219bc 100644
--- a/app/src/main/java/com/example/infraandroid/id/viewmodel/Prefs.kt
+++ b/app/src/main/java/com/example/infraandroid/id/viewmodel/Prefs.kt
@@ -1,14 +1,35 @@
 package com.example.infraandroid.id.viewmodel
 
 import android.content.Context
+import android.content.SharedPreferences
 
 class Prefs(context: Context) {
-    private val prefs=context.getSharedPreferences("prefs_name", Context.MODE_PRIVATE)
+    private val prefs : SharedPreferences = context.getSharedPreferences("prefs_name", Context.MODE_PRIVATE)
+    private val editor : SharedPreferences.Editor = prefs.edit()
 
     fun getString(key: String, defValue: String): String {
         return prefs.getString(key, defValue).toString()
     }
     fun setString(key: String, str: String) {
-        prefs.edit().putString(key, str).apply()
+        val editor : SharedPreferences.Editor = prefs.edit()
+        editor.putString(key, str).apply()
+    }
+    fun setUserId(input: String){
+        editor.putString("MY_ID", input)
+        editor.commit()
+    }
+    fun setUserPW(input: String){
+        editor.putString("MY_PW", input)
+        editor.commit()
+    }
+    fun getUserId():String{
+        return prefs.getString("MY_ID", "").toString()
+    }
+    fun getUserPW():String{
+        return prefs.getString("MY_PW", "").toString()
+    }
+    fun clearUser(){
+        editor.clear()
+        editor.commit()
     }
 }
\ No newline at end of file