diff --git a/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingFragment.kt b/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingFragment.kt
index 325f0fe6..3557ef0b 100644
--- a/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingFragment.kt
+++ b/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingFragment.kt
@@ -1,6 +1,8 @@
 package com.sopetit.softie.ui.onboarding.bearnaming
 
 import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
 import android.view.View
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.ViewModelProvider
@@ -47,7 +49,25 @@ class BearNamingFragment :
     }
 
     private fun setEditTextFilter() {
-        binding.etBearNaming.filters = arrayOf(viewModel.filterSpecialCharacter)
+        binding.etBearNaming.filters =
+            arrayOf(viewModel.filterLength, viewModel.filterSpecialCharacter)
+        changeNicknameLengthWarning()
+    }
+
+    private fun changeNicknameLengthWarning() {
+        binding.etBearNaming.addTextChangedListener(object : TextWatcher {
+            override fun afterTextChanged(s: Editable?) {
+            }
+
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
+                if (s != null && s.length >= 10) {
+                    viewModel.warnNicknameLength()
+                }
+            }
+
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
+            }
+        })
     }
 
     private fun setNicknameObserver() {
diff --git a/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingViewModel.kt b/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingViewModel.kt
index 74c74c29..c38ac0e2 100644
--- a/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingViewModel.kt
+++ b/app/src/main/java/com/sopetit/softie/ui/onboarding/bearnaming/BearNamingViewModel.kt
@@ -13,32 +13,53 @@ class BearNamingViewModel : ViewModel() {
     private val _isSpecialCharacterEntered = MutableLiveData<Boolean>()
     val isSpecialCharacterEntered: LiveData<Boolean> = _isSpecialCharacterEntered
 
+    private val _isLengthExceed = MutableLiveData<Boolean>()
+    val isLengthExceed: LiveData<Boolean> = _isLengthExceed
+
+    private val _isWarning = MutableLiveData<Boolean>(false)
+    val isWarning: LiveData<Boolean> = _isWarning
+
     val nickname: MutableLiveData<String> = MutableLiveData("")
 
-    var filterSpecialCharacter = InputFilter { source, _, _, _, _, _ ->
+    val filterSpecialCharacter = InputFilter { source, _, _, _, _, _ ->
         if (source.isNullOrBlank() || NICKNAME_REGEX.matcher(source).matches()) {
             _isSpecialCharacterEntered.value = false
+            _isLengthExceed.value = false
+            checkWarning()
             source
         } else {
-            _isSpecialCharacterEntered.value = true
-            if (source.length <= MAXIMUM_LENGTH) {
+            if ((nickname.value?.length ?: 0) <= MAXIMUM_LENGTH) {
+                _isSpecialCharacterEntered.value = true
+                _isLengthExceed.value = false
+                checkWarning()
                 source.filter { it.isLetterOrDigit() }
-            } else {
-                source.substring(0, MAXIMUM_LENGTH)
-            }
+            } else source
         }
     }
 
+    val filterLength = InputFilter.LengthFilter(MAXIMUM_LENGTH)
+
     fun checkIsNicknameValid() {
         val nicknameLength = nickname.value?.length ?: 0
         _isNickNameValid.value = nicknameLength in MINIMUM_LENGTH..MAXIMUM_LENGTH
     }
 
+    fun warnNicknameLength() {
+        _isSpecialCharacterEntered.value = false
+        _isLengthExceed.value = true
+        checkWarning()
+    }
+
+    private fun checkWarning() {
+        _isWarning.value =
+            (_isSpecialCharacterEntered.value == true) || (_isLengthExceed.value == true)
+    }
+
     companion object {
         private const val MINIMUM_LENGTH = 1
         private const val MAXIMUM_LENGTH = 10
         private const val NICKNAME_PATTERN =
-            "^[ㄱ-ㅣ가-힣a-zA-Z0-9\\u318D\\u119E\\u11A2\\u2022\\u2025a\\u00B7\\uFE55]{1,10}\$"
-        val NICKNAME_REGEX: Pattern = Pattern.compile(NICKNAME_PATTERN)
+            "^[ㄱ-ㅣ가-힣a-zA-Z\\u318D\\u119E\\u11A2\\u2022\\u2025\\u00B7\\uFE550-9]{1,10}\$"
+        val NICKNAME_REGEX: Pattern = Pattern.compile(NICKNAME_PATTERN.replace("\\s", ""))
     }
 }
diff --git a/app/src/main/res/layout/fragment_onboarding_bear_naming.xml b/app/src/main/res/layout/fragment_onboarding_bear_naming.xml
index 533adc8e..fc327785 100644
--- a/app/src/main/res/layout/fragment_onboarding_bear_naming.xml
+++ b/app/src/main/res/layout/fragment_onboarding_bear_naming.xml
@@ -66,9 +66,11 @@
             android:background="@drawable/shape_white_fill_gray200_stroke_radius_99_rect"
             android:gravity="center"
             android:hint="@string/bear_naming_hint"
+            android:importantForAutofill="no"
+            android:inputType="text"
+            android:maxLines="1"
             android:paddingTop="12dp"
             android:paddingBottom="11dp"
-            android:inputType="text"
             android:text="@={viewModel.nickname}"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
@@ -81,15 +83,16 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="10dp"
-            android:text="@string/bear_naming_warning"
+            android:text="@{viewModel.isLengthExceed?@string/bear_naming_length_warning : @string/bear_naming_special_character_warning}"
             android:textColor="@color/red"
-            android:visibility="@{viewModel.isSpecialCharacterEntered ? View.VISIBLE: View.INVISIBLE}"
+            android:visibility="@{viewModel.isWarning? View.VISIBLE: View.INVISIBLE}"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/et_bear_naming" />
 
         <androidx.appcompat.widget.AppCompatButton
             android:id="@+id/btn_bear_selection"
+            style="?android:attr/borderlessButtonStyle"
             android:layout_width="0dp"
             android:layout_height="57dp"
             android:layout_marginHorizontal="20dp"
@@ -98,7 +101,6 @@
             android:clickable="@{viewModel.isNickNameValid ? true : false}"
             android:enabled="@{viewModel.isNickNameValid ? true : false}"
             android:text="@string/bear_naming_button"
-            style="?android:attr/borderlessButtonStyle"
             android:textAppearance="@style/body1"
             android:textColor="@color/gray000"
             app:layout_constraintBottom_toBottomOf="parent"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 69a39925..e2873451 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -132,7 +132,8 @@
     <string name="bear_naming_subtitle">한 번 지은 이름은 평생 가요.</string>
     <string name="bear_naming_hint">소프티</string>
     <string name="bear_naming_button">이 이름이 좋겠어</string>
-    <string name="bear_naming_warning">*특수문자는 사용할 수 없어요</string>
+    <string name="bear_naming_special_character_warning">*특수문자는 사용할 수 없어요</string>
+    <string name="bear_naming_length_warning">*10글자 이내로 작성해 주세요.</string>
 
     <!-- daily routine edit -->
     <string name="daily_routine_edit_name">데일리 루틴</string>