diff --git a/src/com/sai/servlet/CheckMemberId.java b/src/com/sai/servlet/CheckMemberId.java
new file mode 100755
index 0000000..0888769
--- /dev/null
+++ b/src/com/sai/servlet/CheckMemberId.java
@@ -0,0 +1,48 @@
+package com.sai.servlet;
+
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.json.simple.JSONObject;
+
+import com.sai.dao.MemberDAO;
+import com.sai.servlet.Action;
+
+public class CheckMemberId implements Action {
+
+	@Override
+	public String execute(HttpSession session, HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException {
+		String checkId = request.getParameter("checkId");
+		System.out.println("CheckMemberId에서의 ID값: " + checkId);
+		boolean isOk = new MemberDAO().checkId(checkId);
+		
+		String status = null;
+		if(isOk == true) {
+			status = "true";
+		}
+		else
+			status = "false";
+		
+		System.out.println("isOk의 값은: " + status);
+		
+		JSONObject result = new JSONObject();
+		result.put("status", status);
+		
+		System.out.println(result);
+		
+		PrintWriter out = response.getWriter();
+		out.println(result);
+		
+		return null;
+	}
+
+}