diff --git a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt
index 9aff98f7..3736788a 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpActivity.kt
@@ -113,17 +113,18 @@ class SignUpActivity : BaseActivity<ActivitySignupBinding>(ActivitySignupBinding
             binding.ivPrivacyPolicy.isSelected = it
         }
 
-        viewModel.signUpErrorLiveData.observe(this) {
-            Toast.makeText(applicationContext, it.message, Toast.LENGTH_LONG).show()
+        viewModel.signUpErrorLiveData.observe(this) { error ->
+            val message = resolveMessage(error.message) ?: return@observe
+            Toast.makeText(applicationContext, message, Toast.LENGTH_LONG).show()
 
-            when (it.errorProperty) {
+            when (error.errorProperty) {
                 "email" -> {
-                    binding.etEmail.error = it.message
+                    binding.etEmail.error = message
                     binding.etEmail.requestFocus()
                 }
 
                 "password" -> {
-                    binding.etPassword.error = it.message
+                    binding.etPassword.error = message
                     binding.etPassword.requestFocus()
                 }
             }
@@ -137,8 +138,10 @@ class SignUpActivity : BaseActivity<ActivitySignupBinding>(ActivitySignupBinding
             }
         }
 
-        viewModel.toastLiveData.observe(this) {
-            it?.let { Toast.makeText(applicationContext, it, Toast.LENGTH_LONG).show() }
+        viewModel.toastLiveData.observe(this) { message ->
+            resolveMessage(message)?.let {
+                Toast.makeText(applicationContext, it, Toast.LENGTH_LONG).show()
+            }
         }
     }
 
@@ -150,4 +153,12 @@ class SignUpActivity : BaseActivity<ActivitySignupBinding>(ActivitySignupBinding
             )
         }, 100)
     }
+
+    private fun resolveMessage(message: SignUpUiMessage?): String? {
+        return when (message) {
+            is SignUpUiMessage.Text -> message.value
+            is SignUpUiMessage.Resource -> getString(message.resId)
+            null -> null
+        }
+    }
 }
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpError.kt b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpError.kt
index 7ae5a244..5f6a893d 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpError.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpError.kt
@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.user.signup
 
 import androidx.annotation.Keep
+import androidx.annotation.StringRes
 import com.google.gson.annotations.SerializedName
 
 @Keep
@@ -8,3 +9,13 @@ data class SignUpError(
     @SerializedName("errorProperty") val errorProperty: String,
     @SerializedName("message") val message: String
 )
+
+data class SignUpUiError(
+    val errorProperty: String,
+    val message: SignUpUiMessage
+)
+
+sealed class SignUpUiMessage {
+    data class Resource(@StringRes val resId: Int) : SignUpUiMessage()
+    data class Text(val value: String) : SignUpUiMessage()
+}
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpViewModel.kt b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpViewModel.kt
index 0b497623..aaf99351 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpViewModel.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/user/signup/SignUpViewModel.kt
@@ -6,6 +6,7 @@ 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.tracking.FirebaseTracking
@@ -23,12 +24,12 @@ class SignUpViewModel(private val repository: UserRepository) : BaseViewModel()
     val isAgreePrivacyPolicyLiveData: LiveData<Boolean>
         get() = _isAgreePrivacyPolicyLiveData
 
-    private val _signUpErrorLiveData = MutableLiveData<SignUpError>()
-    val signUpErrorLiveData: LiveData<SignUpError>
+    private val _signUpErrorLiveData = MutableLiveData<SignUpUiError>()
+    val signUpErrorLiveData: LiveData<SignUpUiError>
         get() = _signUpErrorLiveData
 
-    private val _toastLiveData = MutableLiveData<String?>()
-    val toastLiveData: LiveData<String?>
+    private val _toastLiveData = MutableLiveData<SignUpUiMessage?>()
+    val toastLiveData: LiveData<SignUpUiMessage?>
         get() = _toastLiveData
 
     private var _isLoading = MutableLiveData(false)
@@ -63,20 +64,33 @@ class SignUpViewModel(private val repository: UserRepository) : BaseViewModel()
                             onSuccess(it.message)
                             FirebaseTracking.signUp("email")
                         } else {
-                            if (it.errorProperty != null && it.message != null) {
-                                _signUpErrorLiveData.postValue(
-                                    SignUpError(it.errorProperty, it.message)
-                                )
-                            } else if (it.message != null) {
-                                _toastLiveData.postValue(it.message)
-                            } else {
-                                _toastLiveData.postValue("알 수 없는 오류가 발생했습니다. 다시 시도해 주세요.")
+                            when {
+                                it.errorProperty != null && it.message != null -> {
+                                    _signUpErrorLiveData.postValue(
+                                        SignUpUiError(
+                                            it.errorProperty,
+                                            SignUpUiMessage.Text(it.message)
+                                        )
+                                    )
+                                }
+
+                                it.message != null -> {
+                                    _toastLiveData.postValue(SignUpUiMessage.Text(it.message))
+                                }
+
+                                else -> {
+                                    _toastLiveData.postValue(
+                                        SignUpUiMessage.Resource(R.string.common_error_unknown)
+                                    )
+                                }
                             }
                         }
                     },
                     {
                         it.message?.let { message -> Logger.e(message) }
-                        _toastLiveData.postValue("알 수 없는 오류가 발생했습니다. 다시 시도해 주세요.")
+                        _toastLiveData.postValue(
+                            SignUpUiMessage.Resource(R.string.common_error_unknown)
+                        )
                     }
                 )
         )
@@ -85,9 +99,9 @@ class SignUpViewModel(private val repository: UserRepository) : BaseViewModel()
     private fun validation(): Boolean {
         if (email.isBlank()) {
             _signUpErrorLiveData.postValue(
-                SignUpError(
+                SignUpUiError(
                     "email",
-                    "이메일을 입력하세요."
+                    SignUpUiMessage.Resource(R.string.signup_error_email_required)
                 )
             )
 
@@ -96,9 +110,9 @@ class SignUpViewModel(private val repository: UserRepository) : BaseViewModel()
 
         if (password.isBlank()) {
             _signUpErrorLiveData.postValue(
-                SignUpError(
+                SignUpUiError(
                     "password",
-                    "비밀번호를 입력하세요."
+                    SignUpUiMessage.Resource(R.string.signup_error_password_required)
                 )
             )
 
@@ -110,9 +124,9 @@ class SignUpViewModel(private val repository: UserRepository) : BaseViewModel()
             !_isAgreeTermsOfServiceLiveData.value!!
         ) {
             _signUpErrorLiveData.postValue(
-                SignUpError(
+                SignUpUiError(
                     "",
-                    "약관에 동의하셔야 회원가입이 가능합니다."
+                    SignUpUiMessage.Resource(R.string.signup_error_terms_required)
                 )
             )
 
@@ -121,9 +135,9 @@ class SignUpViewModel(private val repository: UserRepository) : BaseViewModel()
 
         if (!PatternsCompat.EMAIL_ADDRESS.matcher(email).matches()) {
             _signUpErrorLiveData.postValue(
-                SignUpError(
+                SignUpUiError(
                     "email",
-                    "올바른 이메일을 입력해 주세요"
+                    SignUpUiMessage.Resource(R.string.signup_error_email_invalid)
                 )
             )
 
@@ -137,9 +151,9 @@ class SignUpViewModel(private val repository: UserRepository) : BaseViewModel()
                 .not()
         ) {
             _signUpErrorLiveData.postValue(
-                SignUpError(
+                SignUpUiError(
                     "password",
-                    "영문, 숫자 포함 8자 이상의 비밀번호를 입력해 주세요."
+                    SignUpUiMessage.Resource(R.string.signup_error_password_rule)
                 )
             )
 
diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index af9a7989..d4df3455 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -67,6 +67,11 @@
     <string name="terms_of_service">Terms of Service</string>
     <string name="privacy_policy">Privacy Policy</string>
     <string name="required_label">(Required)</string>
+    <string name="signup_error_email_required">Please enter your email.</string>
+    <string name="signup_error_password_required">Please enter your password.</string>
+    <string name="signup_error_terms_required">You must agree to the terms to sign up.</string>
+    <string name="signup_error_email_invalid">Please enter a valid email.</string>
+    <string name="signup_error_password_rule">Enter at least 8 characters with letters and numbers.</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>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 4c7bf86d..90569b36 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -67,6 +67,11 @@
     <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="signup_error_email_required">メールアドレスを入力してください。</string>
+    <string name="signup_error_password_required">パスワードを入力してください。</string>
+    <string name="signup_error_terms_required">利用規約に同意すると会員登録できます。</string>
+    <string name="signup_error_email_invalid">正しいメールアドレスを入力してください。</string>
+    <string name="signup_error_password_rule">英字と数字を含む8文字以上のパスワードを入力してください。</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>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 10b8e601..d170c3e1 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -66,6 +66,11 @@
     <string name="terms_of_service">이용약관</string>
     <string name="privacy_policy">개인정보수집 및 이용동의</string>
     <string name="required_label">(필수)</string>
+    <string name="signup_error_email_required">이메일을 입력하세요.</string>
+    <string name="signup_error_password_required">비밀번호를 입력하세요.</string>
+    <string name="signup_error_terms_required">약관에 동의하셔야 회원가입이 가능합니다.</string>
+    <string name="signup_error_email_invalid">올바른 이메일을 입력해 주세요.</string>
+    <string name="signup_error_password_rule">영문, 숫자 포함 8자 이상의 비밀번호를 입력해 주세요.</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>