diff --git a/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt
index 9a8b70a9..e65a3968 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginActivity.kt
@@ -190,8 +190,13 @@ class LoginActivity : BaseActivity<ActivityLoginBinding>(ActivityLoginBinding::i
                 }
         )
 
-        viewModel.toastLiveData.observe(this) {
-            it?.let { Toast.makeText(applicationContext, it, Toast.LENGTH_LONG).show() }
+        viewModel.toastLiveData.observe(this) { message ->
+            val text = when (message) {
+                is LoginUiMessage.Text -> message.value
+                is LoginUiMessage.Resource -> getString(message.resId)
+                null -> null
+            }
+            text?.let { Toast.makeText(applicationContext, it, Toast.LENGTH_LONG).show() }
         }
 
         viewModel.isLoading.observe(this) {
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginViewModel.kt b/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginViewModel.kt
index 7d870b25..62067695 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginViewModel.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/user/login/LoginViewModel.kt
@@ -1,10 +1,12 @@
 package kr.co.vividnext.sodalive.user.login
 
+import androidx.annotation.StringRes
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import com.orhanobut.logger.Logger
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.schedulers.Schedulers
+import kr.co.vividnext.sodalive.R
 import kr.co.vividnext.sodalive.base.BaseViewModel
 import kr.co.vividnext.sodalive.common.SharedPreferenceManager
 import kr.co.vividnext.sodalive.user.UserRepository
@@ -14,8 +16,8 @@ class LoginViewModel(private val repository: UserRepository) : BaseViewModel() {
     var email = ""
     var password = ""
 
-    private val _toastLiveData = MutableLiveData<String?>()
-    val toastLiveData: LiveData<String?>
+    private val _toastLiveData = MutableLiveData<LoginUiMessage?>()
+    val toastLiveData: LiveData<LoginUiMessage?>
         get() = _toastLiveData
 
     private var _isLoading = MutableLiveData(false)
@@ -46,19 +48,17 @@ class LoginViewModel(private val repository: UserRepository) : BaseViewModel() {
                             SharedPreferenceManager.profileImage = it.data.profileImage
                             onSuccess()
                         } else {
-                            if (it.message != null) {
-                                _toastLiveData.postValue(it.message)
-                            } else {
-                                _toastLiveData.postValue(
-                                    "알 수 없는 오류가 발생했습니다. 다시 시도해 주세요."
-                                )
-                            }
+                            _toastLiveData.postValue(
+                                it.message?.let { message ->
+                                    LoginUiMessage.Text(message)
+                                } ?: LoginUiMessage.Resource(R.string.common_error_unknown)
+                            )
                         }
                     },
                     {
                         _isLoading.value = false
                         it.message?.let { message -> Logger.e(message) }
-                        _toastLiveData.postValue("알 수 없는 오류가 발생했습니다. 다시 시도해 주세요.")
+                        _toastLiveData.postValue(LoginUiMessage.Resource(R.string.common_error_unknown))
                     }
                 )
         )
@@ -88,19 +88,17 @@ class LoginViewModel(private val repository: UserRepository) : BaseViewModel() {
                             SharedPreferenceManager.profileImage = it.data.profileImage
                             onSuccess()
                         } else {
-                            if (it.message != null) {
-                                _toastLiveData.postValue(it.message)
-                            } else {
-                                _toastLiveData.postValue(
-                                    "알 수 없는 오류가 발생했습니다. 다시 시도해 주세요."
-                                )
-                            }
+                            _toastLiveData.postValue(
+                                it.message?.let { message ->
+                                    LoginUiMessage.Text(message)
+                                } ?: LoginUiMessage.Resource(R.string.common_error_unknown)
+                            )
                         }
                     },
                     {
                         _isLoading.value = false
                         it.message?.let { message -> Logger.e(message) }
-                        _toastLiveData.postValue("알 수 없는 오류가 발생했습니다. 다시 시도해 주세요.")
+                        _toastLiveData.postValue(LoginUiMessage.Resource(R.string.common_error_unknown))
                     }
                 )
         )
@@ -108,12 +106,16 @@ class LoginViewModel(private val repository: UserRepository) : BaseViewModel() {
 
     fun login(onSuccess: (String?) -> Unit) {
         if (email.isBlank()) {
-            _toastLiveData.postValue("이메일을 입력하세요.")
+            _toastLiveData.postValue(
+                LoginUiMessage.Resource(R.string.login_error_email_required)
+            )
             return
         }
 
         if (password.isBlank()) {
-            _toastLiveData.postValue("비밃번호를 입력하세요.")
+            _toastLiveData.postValue(
+                LoginUiMessage.Resource(R.string.login_error_password_required)
+            )
             return
         }
 
@@ -134,21 +136,24 @@ class LoginViewModel(private val repository: UserRepository) : BaseViewModel() {
                             SharedPreferenceManager.profileImage = it.data.profileImage
                             onSuccess(it.message)
                         } else {
-                            if (it.message != null) {
-                                _toastLiveData.postValue(it.message)
-                            } else {
-                                _toastLiveData.postValue(
-                                    "알 수 없는 오류가 발생했습니다. 다시 시도해 주세요."
-                                )
-                            }
+                            _toastLiveData.postValue(
+                                it.message?.let { message ->
+                                    LoginUiMessage.Text(message)
+                                } ?: LoginUiMessage.Resource(R.string.common_error_unknown)
+                            )
                         }
                     },
                     {
                         _isLoading.value = false
                         it.message?.let { message -> Logger.e(message) }
-                        _toastLiveData.postValue("알 수 없는 오류가 발생했습니다. 다시 시도해 주세요.")
+                        _toastLiveData.postValue(LoginUiMessage.Resource(R.string.common_error_unknown))
                     }
                 )
         )
     }
 }
+
+sealed class LoginUiMessage {
+    data class Resource(@StringRes val resId: Int) : LoginUiMessage()
+    data class Text(val value: String) : LoginUiMessage()
+}
diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index e8f0d152..af9a7989 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -67,6 +67,8 @@
     <string name="terms_of_service">Terms of Service</string>
     <string name="privacy_policy">Privacy Policy</string>
     <string name="required_label">(Required)</string>
+    <string name="login_error_email_required">Please enter your email.</string>
+    <string name="login_error_password_required">Please enter your password.</string>
     <string name="login_google_failed">Could not sign in with Google. Please try again.</string>
     <string name="login_failed">Could not sign in. Please try again.</string>
     <string name="login_kakao_failed">Could not sign in with Kakao. Please try again.</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 2ee29a16..4c7bf86d 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -67,6 +67,8 @@
     <string name="terms_of_service">利用規約</string>
     <string name="privacy_policy">個人情報の収集・利用について</string>
     <string name="required_label">（必須）</string>
+    <string name="login_error_email_required">メールアドレスを入力してください。</string>
+    <string name="login_error_password_required">パスワードを入力してください。</string>
     <string name="login_google_failed">Googleでログインできませんでした。もう一度お試しください。</string>
     <string name="login_failed">ログインできませんでした。もう一度お試しください。</string>
     <string name="login_kakao_failed">Kakaoアカウントでログインできませんでした。もう一度お試しください。</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 90546315..10b8e601 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -66,6 +66,8 @@
     <string name="terms_of_service">이용약관</string>
     <string name="privacy_policy">개인정보수집 및 이용동의</string>
     <string name="required_label">(필수)</string>
+    <string name="login_error_email_required">이메일을 입력하세요.</string>
+    <string name="login_error_password_required">비밀번호를 입력하세요.</string>
     <string name="login_google_failed">구글 로그인을 하지 못했습니다. 다시 시도해 주세요</string>
     <string name="login_failed">로그인을 하지 못했습니다. 다시 시도해 주세요</string>
     <string name="login_kakao_failed">카카오 계정으로 로그인 하지 못했습니다. 다시 시도해 주세요</string>