diff --git a/feature/login/src/main/java/pokitmons/pokit/LoginViewModel.kt b/feature/login/src/main/java/pokitmons/pokit/LoginViewModel.kt
index 7786edf6..80becb4b 100644
--- a/feature/login/src/main/java/pokitmons/pokit/LoginViewModel.kt
+++ b/feature/login/src/main/java/pokitmons/pokit/LoginViewModel.kt
@@ -1,6 +1,7 @@
 package pokitmons.pokit
 
 import android.content.Context
+import android.util.Log
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateListOf
@@ -43,6 +44,9 @@ class LoginViewModel @Inject constructor(
             }
         }
     }
+
+    val nicknameRegex = Regex("^[a-zA-Z0-9가-힣]+$")
+
     private var duplicateNicknameJob: Job? = null
 
     private val _isBottomSheetVisible: MutableState<Boolean> = mutableStateOf(false)
@@ -147,6 +151,13 @@ class LoginViewModel @Inject constructor(
         }
     }
 
+    fun checkNicknameRegex(nickname: String): Boolean {
+        _inputNicknameState.update { duplicateNicknameState ->
+            duplicateNicknameState.copy(isRegex = nicknameRegex.matches(nickname))
+        }
+        return nicknameRegex.matches(nickname)
+    }
+
     fun setCategories() {
         val categoryNames: List<String> = listOf(
             context.getString(R.string.sports_and_leisure),
diff --git a/feature/login/src/main/java/pokitmons/pokit/model/DuplicateNicknameState.kt b/feature/login/src/main/java/pokitmons/pokit/model/DuplicateNicknameState.kt
index 62086325..e14a75c9 100644
--- a/feature/login/src/main/java/pokitmons/pokit/model/DuplicateNicknameState.kt
+++ b/feature/login/src/main/java/pokitmons/pokit/model/DuplicateNicknameState.kt
@@ -2,5 +2,6 @@ package pokitmons.pokit.model
 
 data class DuplicateNicknameState(
     val nickname: String = "",
-    val isDuplicate: Boolean = true,
+    val isDuplicate: Boolean = false,
+    val isRegex: Boolean = false
 )
diff --git a/feature/login/src/main/java/pokitmons/pokit/nickname/InputNicknameScreen.kt b/feature/login/src/main/java/pokitmons/pokit/nickname/InputNicknameScreen.kt
index 89c40626..65fddeba 100644
--- a/feature/login/src/main/java/pokitmons/pokit/nickname/InputNicknameScreen.kt
+++ b/feature/login/src/main/java/pokitmons/pokit/nickname/InputNicknameScreen.kt
@@ -1,5 +1,6 @@
 package pokitmons.pokit.nickname
 
+import android.util.Log
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
@@ -65,17 +66,24 @@ fun InputNicknameScreen(
                 inputText = inputNicknameState.nickname,
                 maxLength = NICKNAME_MAX_LENGTH,
                 sub = when {
-                    inputNicknameState.nickname.length < NICKNAME_MAX_LENGTH -> stringResource(id = Login.string.input_restriction_message)
-                    !inputNicknameState.isDuplicate -> stringResource(id = Login.string.nickname_already_in_use)
-                    else -> stringResource(id = Login.string.input_max_length)
+                    inputNicknameState.isDuplicate -> stringResource(id = Login.string.nickname_already_in_use)
+                    inputNicknameState.isRegex -> stringResource(id = Login.string.input_restriction_message)
+                    inputNicknameState.nickname.length < NICKNAME_MAX_LENGTH -> stringResource(id = Login.string.input_max_length)
+                    else -> ""
                 },
-                isError = inputNicknameState.nickname.length > NICKNAME_MAX_LENGTH || !inputNicknameState.isDuplicate,
+                isError = inputNicknameState.nickname.length > NICKNAME_MAX_LENGTH || inputNicknameState.isDuplicate || inputNicknameState.isRegex,
                 hintText = stringResource(id = Login.string.input_nickname_hint),
                 onChangeText = { text ->
+                    Log.d("!! : ", text)
                     if (text.length <= NICKNAME_MAX_LENGTH) {
                         viewModel.apply {
                             inputText(text)
-                            checkDuplicateNickname(text)
+                            if (checkNicknameRegex(text)) {
+                                Log.d("!! : ", "else call")
+                                checkDuplicateNickname(text)
+                            } else {
+
+                            }
                         }
                     }
                 }
@@ -89,7 +97,7 @@ fun InputNicknameScreen(
             text = stringResource(id = pokitmons.pokit.login.R.string.next),
             icon = null,
             size = PokitButtonSize.LARGE,
-            enable = !inputNicknameState.isDuplicate,
+            enable = !inputNicknameState.isDuplicate && inputNicknameState.isRegex && inputNicknameState.nickname.length < NICKNAME_MAX_LENGTH,
             onClick = { onNavigateToKeywordScreen() }
         )
     }
diff --git a/feature/login/src/main/res/values/strings.xml b/feature/login/src/main/res/values/strings.xml
index 0012ad0b..a6459201 100644
--- a/feature/login/src/main/res/values/strings.xml
+++ b/feature/login/src/main/res/values/strings.xml
@@ -10,7 +10,7 @@
     <string name="input_nickname_hint">내용을 입력해주세요.</string>
     <string name="input_restriction_message">한글, 영어, 숫자로만 입력이 가능합니다.</string>
     <string name="nickname_already_in_use">사용 중인 닉네임입니다.</string>
-    <string name="input_max_length">최대 20자까지 입력 가능합니다.</string>
+    <string name="input_max_length">최대 10자까지 입력 가능합니다.</string>
     <string name="keyword_title">어떤 분야에 관심이 있으세요?</string>
     <string name="select_keyword">최대 3개를 골라주시면,\n관련 콘텐츠를 추천해드릴게요!</string>
     <string name="sports_and_leisure">스포츠/레저</string>
diff --git a/feature/settings/src/main/res/values/strings.xml b/feature/settings/src/main/res/values/strings.xml
index fd7fc692..af92a543 100644
--- a/feature/settings/src/main/res/values/strings.xml
+++ b/feature/settings/src/main/res/values/strings.xml
@@ -16,6 +16,6 @@
     <string name="save">저장</string>
     <string name="input_restriction_message">한글, 영어, 숫자로만 입력이 가능합니다.</string>
     <string name="nickname_already_in_use">사용 중인 닉네임입니다.</string>
-    <string name="input_max_length">최대 20자까지 입력 가능합니다.</string>
+    <string name="input_max_length">최대 10자까지 입력 가능합니다.</string>
     <string name="input_nickname_hint">닉네임을 입력해주세요</string>
 </resources>
\ No newline at end of file