diff --git a/src/main/java/com/toby/tobyspring/user/dao/DUserDao.java b/src/main/java/com/toby/tobyspring/user/dao/DUserDao.java
index a28899e..084b9a6 100644
--- a/src/main/java/com/toby/tobyspring/user/dao/DUserDao.java
+++ b/src/main/java/com/toby/tobyspring/user/dao/DUserDao.java
@@ -4,12 +4,5 @@
 import java.sql.DriverManager;
 import java.sql.SQLException;
 
-public class DUserDao extends UserDao {
-    @Override
-    public Connection getConnection() throws ClassNotFoundException, SQLException {
-        // D사 db connection
-        Class.forName("oracle.jdbc.driver.OracleDriver");
-        Connection connection = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl", "dahye", "dahye");
-        return connection;
-    }
+public class DUserDao {
 }
diff --git a/src/main/java/com/toby/tobyspring/user/dao/NUserDao.java b/src/main/java/com/toby/tobyspring/user/dao/NUserDao.java
index 4dacde7..7872853 100644
--- a/src/main/java/com/toby/tobyspring/user/dao/NUserDao.java
+++ b/src/main/java/com/toby/tobyspring/user/dao/NUserDao.java
@@ -4,12 +4,5 @@
 import java.sql.DriverManager;
 import java.sql.SQLException;
 
-public class NUserDao extends UserDao {
-    @Override
-    public Connection getConnection() throws ClassNotFoundException, SQLException {
-        // N사의 DB 연결
-        Class.forName("oracle.jdbc.driver.OracleDriver");
-        Connection connection = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl", "dahye", "dahye");
-        return connection;
-    }
+public class NUserDao {
 }
diff --git a/src/main/java/com/toby/tobyspring/user/dao/SimpleConnectionMaker.java b/src/main/java/com/toby/tobyspring/user/dao/SimpleConnectionMaker.java
new file mode 100644
index 0000000..24bc866
--- /dev/null
+++ b/src/main/java/com/toby/tobyspring/user/dao/SimpleConnectionMaker.java
@@ -0,0 +1,13 @@
+package com.toby.tobyspring.user.dao;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+public class SimpleConnectionMaker {
+    public Connection makeNewConnection() throws ClassNotFoundException, SQLException {
+        Class.forName("oracle.jdbc.driver.OracleDriver");
+        Connection connection = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl", "dahye", "dahye");
+        return connection;
+    }
+}
diff --git a/src/main/java/com/toby/tobyspring/user/dao/UserDao.java b/src/main/java/com/toby/tobyspring/user/dao/UserDao.java
index 0f6507c..e5d3414 100644
--- a/src/main/java/com/toby/tobyspring/user/dao/UserDao.java
+++ b/src/main/java/com/toby/tobyspring/user/dao/UserDao.java
@@ -5,8 +5,13 @@
 import java.sql.*;
 
 public abstract class UserDao {
+    private SimpleConnectionMaker simpleConnectionMaker;
+
+    public UserDao() {
+        this.simpleConnectionMaker = new SimpleConnectionMaker();
+    }
     public void add(User user) throws ClassNotFoundException, SQLException {
-        Connection connection = getConnection();
+        Connection connection = simpleConnectionMaker.makeNewConnection();
         // sql 실행
         PreparedStatement preparedStatement = connection.prepareStatement("insert into users(id, name, password) values(?, ?, ?)");
         preparedStatement.setString(1, user.getId());
@@ -21,7 +26,7 @@ public void add(User user) throws ClassNotFoundException, SQLException {
     }
 
     public User get(String id) throws ClassNotFoundException, SQLException {
-        Connection connection = getConnection();
+        Connection connection = simpleConnectionMaker.makeNewConnection();
 
         // sql 실행
         PreparedStatement preparedStatement = connection.prepareStatement("select * from users where id = ?");
@@ -41,6 +46,4 @@ public User get(String id) throws ClassNotFoundException, SQLException {
 
         return user;
     }
-
-    public abstract Connection getConnection() throws ClassNotFoundException, SQLException;
 }