diff --git a/app/build.gradle b/app/build.gradle
index 5347e1d..6533a7c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'kotlin-android'
+    id'kotlin-android-extensions'
 }
 
 android {
diff --git a/app/src/main/java/com/mintcho/wwmarket2/MainActivity.kt b/app/src/main/java/com/mintcho/wwmarket2/MainActivity.kt
index 6636a1d..faca8d8 100644
--- a/app/src/main/java/com/mintcho/wwmarket2/MainActivity.kt
+++ b/app/src/main/java/com/mintcho/wwmarket2/MainActivity.kt
@@ -1,11 +1,18 @@
 package com.mintcho.wwmarket2
 
+import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import kotlinx.android.synthetic.main.activity_main.*
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
+        setContentView(R.layout.activity_main)   //layout 디렉토리의 xml와 1대1 매칭되도록 activity_main
+
+        mButton.setOnClickListener {
+            val intent = Intent(this, SubActivity::class.java)  //버튼 누르면 넘어갈 페이지를 Subactivity 위치에 알맞게 변경할것
+            startActivity(intent)
+        }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/mintcho/wwmarket2/SubActivity.kt b/app/src/main/java/com/mintcho/wwmarket2/SubActivity.kt
new file mode 100644
index 0000000..54f69c6
--- /dev/null
+++ b/app/src/main/java/com/mintcho/wwmarket2/SubActivity.kt
@@ -0,0 +1,18 @@
+package com.mintcho.wwmarket2
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import kotlinx.android.synthetic.main.activity_main.*
+
+class SubActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_sub)
+
+        mButton.setOnClickListener {
+            val intent = Intent(this, SubActivity2::class.java)
+            startActivity(intent)
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/mintcho/wwmarket2/SubActivity2.kt b/app/src/main/java/com/mintcho/wwmarket2/SubActivity2.kt
new file mode 100644
index 0000000..cf820a6
--- /dev/null
+++ b/app/src/main/java/com/mintcho/wwmarket2/SubActivity2.kt
@@ -0,0 +1,11 @@
+package com.mintcho.wwmarket2
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class SubActivity2 : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_sub2)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4fc2444..7d62af2 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,18 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    android:background="@drawable/main2"
+    android:gravity="center"
+    tools:context=".MainActivity">  <!--.MainActivity java디렉토리의 액티비티와 대응되도록 변경할것  -->
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
+    <Button
+        android:id="@+id/mButton"
+        android:layout_width="66dp"
+        android:layout_height="64dp"
+        android:layout_marginStart="24dp"
+        android:layout_marginLeft="24dp"
+        android:layout_marginTop="68dp"
+        android:text="화면전환"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_sub.xml b/app/src/main/res/layout/activity_sub.xml
new file mode 100644
index 0000000..ac93b6c
--- /dev/null
+++ b/app/src/main/res/layout/activity_sub.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/main3"
+    android:gravity="center"
+    tools:context=".SubActivity">
+
+
+    <Button
+        android:id="@+id/mButton"
+        android:layout_width="161dp"
+        android:layout_height="66dp"
+        android:layout_marginStart="196dp"
+        android:layout_marginLeft="196dp"
+        android:layout_marginTop="648dp"
+        android:text="화면전환"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_sub2.xml b/app/src/main/res/layout/activity_sub2.xml
new file mode 100644
index 0000000..5bad91d
--- /dev/null
+++ b/app/src/main/res/layout/activity_sub2.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/main4"
+    android:gravity="center"
+    tools:context=".SubActivity2">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file