diff --git a/app/src/main/java/com/sopt/now/compose/data/UserPreference.kt b/app/src/main/java/com/sopt/now/compose/data/UserPreference.kt
index 3447c18..74afb8c 100644
--- a/app/src/main/java/com/sopt/now/compose/data/UserPreference.kt
+++ b/app/src/main/java/com/sopt/now/compose/data/UserPreference.kt
@@ -3,28 +3,32 @@ package com.sopt.now.compose.data
 import android.content.Context
 
 import androidx.core.content.edit
+import com.sopt.now.compose.data.UserPreference.UserPreferenceKeys.KEY_USER_ID
+import com.sopt.now.compose.data.UserPreference.UserPreferenceKeys.KEY_USER_NAME
+import com.sopt.now.compose.data.UserPreference.UserPreferenceKeys.KEY_USER_PHONE
+import com.sopt.now.compose.data.UserPreference.UserPreferenceKeys.PREF_USER_DATA
 
 class UserPreference(context: Context) {
-    private val sharedPreferences = context.applicationContext.getSharedPreferences("userData", Context.MODE_PRIVATE)
+    private val sharedPreferences = context.applicationContext.getSharedPreferences(PREF_USER_DATA, Context.MODE_PRIVATE)
 
     // 사용자 아이디 저장
     fun saveUserId(userId: String) {
         sharedPreferences.edit {
-            putString("userId", userId)
+            putString(KEY_USER_ID, userId)
         }
     }
 
     // 사용자 아이디 가져오기
     fun getUserId(): String? {
-        return sharedPreferences.getString("userId", null)
+        return sharedPreferences.getString(KEY_USER_ID, null)
     }
 
     // 사용자 데이터 저장
     fun saveUserData(userData: UserData) {
         sharedPreferences.edit {
-            putString("userId", userData.userId)
-            putString("userName", userData.userName)
-            putString("userPhone", userData.userPhone)
+            putString(KEY_USER_ID, userData.userId)
+            putString(KEY_USER_NAME, userData.userName)
+            putString(KEY_USER_PHONE, userData.userPhone)
         }
     }
 
@@ -42,4 +46,10 @@ class UserPreference(context: Context) {
             }
         }
     }
+    object UserPreferenceKeys {
+        const val PREF_USER_DATA = "userData"
+        const val KEY_USER_ID = "userId"
+        const val KEY_USER_NAME = "userName"
+        const val KEY_USER_PHONE = "userPhone"
+    }
 }
\ No newline at end of file