diff --git a/android/app/src/main/java/com/created/team201/presentation/certification/CertificationActivity.kt b/android/app/src/main/java/com/created/team201/presentation/certification/CertificationActivity.kt
index 2c94dd99..8068d618 100644
--- a/android/app/src/main/java/com/created/team201/presentation/certification/CertificationActivity.kt
+++ b/android/app/src/main/java/com/created/team201/presentation/certification/CertificationActivity.kt
@@ -5,8 +5,8 @@ import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Bundle
-import android.view.MotionEvent
-import android.view.inputmethod.InputMethodManager
+import android.text.Editable
+import android.text.TextWatcher
 import android.widget.Toast
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts
@@ -48,23 +48,10 @@ class CertificationActivity :
         setupGalleryButtonListener()
         setupCameraButtonListener()
         setupPostButtonListener()
+        setupBodyTextChangedListener()
         observeUiState()
     }
 
-    override fun dispatchTouchEvent(ev: MotionEvent): Boolean {
-        onHideKeyBoard()
-
-        return super.dispatchTouchEvent(ev)
-    }
-
-    private fun onHideKeyBoard() {
-        val imm: InputMethodManager =
-            getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
-        imm.hideSoftInputFromWindow(currentFocus?.windowToken, 0)
-        binding.etCertificationBody.clearFocus()
-        certificationViewModel.updateContent(binding.etCertificationBody.text.toString())
-    }
-
     private fun setupBinding() {
         binding.lifecycleOwner = this
     }
@@ -134,10 +121,24 @@ class CertificationActivity :
     private fun setupPostButtonListener() {
         binding.tvCertificationPostButton.setOnClickListener {
             val studyId = intent.getLongExtra(KEY_STUDY_ID, KEY_NOT_FOUND_STUDY_ID)
-            certificationViewModel.uiState.value.imageUrl.toUri().toAdjustImageFile(this)?.let { file ->
-                certificationViewModel.updateCertification(file, studyId)
+            certificationViewModel.uiState.value.imageUrl.toUri().toAdjustImageFile(this)
+                ?.let { file ->
+                    certificationViewModel.updateCertification(file, studyId)
+                }
+        }
+    }
+
+    private fun setupBodyTextChangedListener() {
+        val textWatcher = object : TextWatcher {
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
+
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
+
+            override fun afterTextChanged(s: Editable?) {
+                certificationViewModel.updateContent(binding.etCertificationBody.text.toString())
             }
         }
+        binding.etCertificationBody.addTextChangedListener(textWatcher)
     }
 
     private fun observeUiState() {
diff --git a/android/app/src/main/java/com/created/team201/presentation/studyThread/ThreadActivity.kt b/android/app/src/main/java/com/created/team201/presentation/studyThread/ThreadActivity.kt
index aca85edb..2000115e 100644
--- a/android/app/src/main/java/com/created/team201/presentation/studyThread/ThreadActivity.kt
+++ b/android/app/src/main/java/com/created/team201/presentation/studyThread/ThreadActivity.kt
@@ -105,8 +105,6 @@ class ThreadActivity : BindingActivity<ActivityThreadBinding>(R.layout.activity_
             threadViewModel.dispatchFeed(message)
             binding.etThreadInput.run {
                 text.clear()
-                clearFocus()
-                hideKeyboard()
             }
         }
     }
diff --git a/android/app/src/main/res/drawable/cursor_color.xml b/android/app/src/main/res/drawable/cursor_color.xml
index 6016139d..db3e0ceb 100644
--- a/android/app/src/main/res/drawable/cursor_color.xml
+++ b/android/app/src/main/res/drawable/cursor_color.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android" >
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
     <size android:width="2dp" />
-    <solid android:color="@color/green09_799E82"  />
-</shape>
\ No newline at end of file
+    <solid android:color="@color/green04_26A641" />
+</shape>
diff --git a/android/app/src/main/res/layout/activity_certification.xml b/android/app/src/main/res/layout/activity_certification.xml
index 22fb9380..68ee4a10 100644
--- a/android/app/src/main/res/layout/activity_certification.xml
+++ b/android/app/src/main/res/layout/activity_certification.xml
@@ -62,10 +62,11 @@
             android:background="@drawable/bg_rectangle_radius_5dp"
             android:gravity="top"
             android:hint="@string/certification_post_body_hint"
-            android:maxLength="250"
+            android:maxLength="1000"
             android:maxLines="6"
             android:paddingHorizontal="16dp"
             android:paddingVertical="12dp"
+            android:scrollbars="vertical"
             android:textAppearance="@style/text_r14"
             android:textColor="@color/white"
             android:textColorHint="@color/grey02_78808B"
diff --git a/android/app/src/main/res/layout/activity_certification_check.xml b/android/app/src/main/res/layout/activity_certification_check.xml
index 87a42abe..df7609e8 100644
--- a/android/app/src/main/res/layout/activity_certification_check.xml
+++ b/android/app/src/main/res/layout/activity_certification_check.xml
@@ -42,9 +42,11 @@
             android:layout_marginHorizontal="16dp"
             android:layout_marginBottom="40dp"
             android:background="@drawable/bg_rectangle_radius_5dp"
+            android:fadeScrollbars="false"
             android:gravity="top"
             android:paddingHorizontal="16dp"
             android:paddingVertical="12dp"
+            android:scrollbars="vertical"
             android:textAppearance="@style/text_r14"
             android:textColor="@color/white"
             android:textCursorDrawable="@drawable/cursor_color"
@@ -55,4 +57,4 @@
             tools:text="링링 머슷두 완료" />
 
     </androidx.constraintlayout.widget.ConstraintLayout>
-</layout>
\ No newline at end of file
+</layout>
diff --git a/android/app/src/main/res/layout/activity_profile.xml b/android/app/src/main/res/layout/activity_profile.xml
index 2fba2659..ced9dc88 100644
--- a/android/app/src/main/res/layout/activity_profile.xml
+++ b/android/app/src/main/res/layout/activity_profile.xml
@@ -149,13 +149,15 @@
                     android:layout_width="match_parent"
                     android:layout_height="0dp"
                     android:layout_marginTop="24dp"
+                    android:autoLink="email|web"
                     android:background="@drawable/bg_rectangle_radius_5dp"
+                    android:lines="8"
                     android:maxLines="8"
                     android:padding="16dp"
-                    android:lines="8"
                     android:text="@{viewModel.profile.profile.profileInformation.introduction}"
                     android:textAppearance="@style/text_r16"
                     android:textColor="@color/white"
+                    android:textIsSelectable="true"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/layout_profile_study_success_rate"
diff --git a/android/app/src/main/res/layout/activity_study_detail.xml b/android/app/src/main/res/layout/activity_study_detail.xml
index 298ae788..71628091 100644
--- a/android/app/src/main/res/layout/activity_study_detail.xml
+++ b/android/app/src/main/res/layout/activity_study_detail.xml
@@ -127,12 +127,14 @@
             android:layout_height="wrap_content"
             android:layout_marginHorizontal="16dp"
             android:layout_marginTop="20dp"
+            android:autoLink="web|email"
             android:background="@drawable/bg_rectangle_radius_5dp"
             android:minHeight="150dp"
             android:padding="16dp"
             android:text="@{viewModel.study.introduction}"
             android:textAppearance="@style/text_r16"
             android:textColor="@color/white"
+            android:textIsSelectable="true"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/cl_study_detail_inform"
diff --git a/android/app/src/main/res/layout/activity_thread.xml b/android/app/src/main/res/layout/activity_thread.xml
index dbeba863..66d9a254 100644
--- a/android/app/src/main/res/layout/activity_thread.xml
+++ b/android/app/src/main/res/layout/activity_thread.xml
@@ -29,10 +29,10 @@
             android:layout_marginStart="12dp"
             android:textAppearance="@style/picker_sb18"
             android:textColor="@color/white"
-            app:layout_constraintBottom_toBottomOf="@+id/iv_thread_back_button"
-            app:layout_constraintEnd_toStartOf="@+id/spinner_thread"
-            app:layout_constraintStart_toEndOf="@+id/iv_thread_back_button"
-            app:layout_constraintTop_toTopOf="@+id/iv_thread_back_button"
+            app:layout_constraintBottom_toBottomOf="@id/iv_thread_back_button"
+            app:layout_constraintEnd_toStartOf="@id/spinner_thread"
+            app:layout_constraintStart_toEndOf="@id/iv_thread_back_button"
+            app:layout_constraintTop_toTopOf="@id/iv_thread_back_button"
             tools:text="자두타먹는 스터디" />
 
         <Spinner
@@ -46,7 +46,7 @@
             android:popupBackground="#20232B"
             android:popupElevation="10dp"
             android:textColor="@color/white"
-            app:layout_constraintBottom_toBottomOf="@+id/iv_thread_back_button"
+            app:layout_constraintBottom_toBottomOf="@id/iv_thread_back_button"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="@+id/iv_thread_back_button" />
 
@@ -61,7 +61,7 @@
             app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/iv_thread_back_button"
+            app:layout_constraintTop_toBottomOf="@id/iv_thread_back_button"
             tools:listitem="@layout/item_thread_must_do" />
 
         <androidx.recyclerview.widget.RecyclerView
@@ -75,7 +75,7 @@
             app:layout_constraintBottom_toTopOf="@+id/view_thread_border"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/rv_must_do"
+            app:layout_constraintTop_toBottomOf="@id/rv_must_do"
             app:reverseLayout="true"
             tools:itemCount="2"
             tools:listitem="@layout/item_thread_comment" />
@@ -99,16 +99,19 @@
             android:layout_marginBottom="12dp"
             android:background="@drawable/bg_rectangle_radius_10dp_black02"
             android:ems="10"
-            android:hint="잡담 및 질답하기"
-            android:inputType="text"
-            android:maxLength="200"
+            android:hint="@string/thread_input_hint"
+            android:inputType="textMultiLine"
+            android:maxLength="1000"
+            android:maxLines="4"
+            android:minHeight="40dp"
             android:padding="8dp"
+            android:scrollbars="vertical"
             android:textAppearance="@style/text_r16"
             android:textColor="@color/white"
             android:textColorHint="@color/grey02_78808B"
             android:textCursorDrawable="@drawable/cursor_color"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toStartOf="@+id/iv_thread_direct_button"
+            app:layout_constraintEnd_toStartOf="@id/iv_thread_direct_button"
             app:layout_constraintStart_toStartOf="parent" />
 
         <ImageView
@@ -116,10 +119,10 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginEnd="12dp"
+            android:layout_marginBottom="12dp"
             android:src="@drawable/icn_direct_message_btn"
-            app:layout_constraintBottom_toBottomOf="@+id/et_thread_input"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toTopOf="@+id/et_thread_input" />
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" />
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 </layout>
diff --git a/android/app/src/main/res/layout/dialog_study_informaion.xml b/android/app/src/main/res/layout/dialog_study_informaion.xml
index c898b5a2..1e625b82 100644
--- a/android/app/src/main/res/layout/dialog_study_informaion.xml
+++ b/android/app/src/main/res/layout/dialog_study_informaion.xml
@@ -99,11 +99,13 @@
             android:layout_width="0dp"
             android:layout_height="150dp"
             android:layout_marginTop="20dp"
+            android:autoLink="email|web"
             android:background="@drawable/bg_rectangle_radius_5dp"
             android:padding="16dp"
             android:text="@{studyDetail.introduction}"
             android:textAppearance="@style/text_r16"
             android:textColor="@color/white"
+            android:textIsSelectable="true"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/cl_study_information_header"
@@ -111,4 +113,4 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
-</layout>
\ No newline at end of file
+</layout>
diff --git a/android/app/src/main/res/layout/item_home_study_list.xml b/android/app/src/main/res/layout/item_home_study_list.xml
index 16ebc4e0..55d37636 100644
--- a/android/app/src/main/res/layout/item_home_study_list.xml
+++ b/android/app/src/main/res/layout/item_home_study_list.xml
@@ -117,10 +117,12 @@
                 android:layout_marginStart="20dp"
                 android:layout_marginTop="8dp"
                 android:layout_marginEnd="20dp"
+                android:autoLink="email|web"
                 android:maxLines="2"
                 android:text="@{item.mustDo.blank ? @string/hom_study_list_must_do_default_message : item.mustDo}"
                 android:textAppearance="@style/text_r16"
                 android:textColor="@{item.mustDo.blank ? @color/grey06_30363D : @color/white}"
+                android:textIsSelectable="true"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/tv_home_study_list_must_do"
diff --git a/android/app/src/main/res/layout/item_thread_comment.xml b/android/app/src/main/res/layout/item_thread_comment.xml
index 037853a6..b0a1e8ff 100644
--- a/android/app/src/main/res/layout/item_thread_comment.xml
+++ b/android/app/src/main/res/layout/item_thread_comment.xml
@@ -96,7 +96,7 @@
                 android:layout_marginTop="20dp"
                 android:layout_marginEnd="20dp"
                 android:layout_marginBottom="20dp"
-                android:maxLines="10"
+                android:autoLink="web|email"
                 android:text="@{item.content}"
                 android:textAppearance="@style/subtitle_r20"
                 android:textColor="@color/white"
@@ -105,7 +105,7 @@
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/cl_member_info"
-                tools:text="아아 언제다하냐 진짜 ㅋㅋ" />
+                tools:text="스터디 날짜가 언제인가요?" />
 
             <View
                 android:id="@+id/view_thread_comment_border"
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
index 358927c7..7594cd81 100644
--- a/android/app/src/main/res/values/strings.xml
+++ b/android/app/src/main/res/values/strings.xml
@@ -295,6 +295,7 @@
 
     <!-- 스레드 뷰 -->
     <string name="thread_blank_input_toast_title">내용을 입력해 주세요</string>
+    <string name="thread_input_hint">잡담 및 질답하기</string>
 
     <!-- 스레드 Must Do 바텀시트 다이얼로그 -->
     <string name="thread_must_do_bottom_sheet_fragment_weeks">%d주차</string>
diff --git a/android/app/src/main/res/values/themes.xml b/android/app/src/main/res/values/themes.xml
index 7404a0b5..fbf6624e 100644
--- a/android/app/src/main/res/values/themes.xml
+++ b/android/app/src/main/res/values/themes.xml
@@ -15,6 +15,11 @@
 
         <!-- 바텀 시트 다이얼로그 스타일 적용 -->
         <item name="bottomSheetDialogTheme">@style/BottomSheetDialogTheme</item>
+
+        <!-- Text, EditText 하이라이트 및 입력 커서 스타일 적용 -->
+        <item name="android:textColorLink">@color/green02_E639D353</item>
+        <item name="android:textColorHighlight">@color/green04_26A641</item>
+        <item name="colorControlActivated">@color/green04_26A641</item>
     </style>
 
     <style name="Theme.Team201" parent="Base.Theme.Team201" />