diff --git a/addons/member_extra_info/member_extra_info.addon.php b/addons/member_extra_info/member_extra_info.addon.php
index 1d6a4308f..7a63c0e28 100644
--- a/addons/member_extra_info/member_extra_info.addon.php
+++ b/addons/member_extra_info/member_extra_info.addon.php
@@ -55,7 +55,7 @@
 
             // 4. 자신의 쪽지함 보기 기능 추가
             $menu_str = Context::getLang('cmd_view_message_box');
-            $menu_link = sprintf('./?module=member&act=dispMemberMessage&target_member_srl=%s',$member_srl);
+            $menu_link = sprintf('./?module=member&act=dispMemberMessage&receiver_srl=%s',$member_srl);
 
             // 메뉴에 새로 만든 쪽지 발송 메뉴를 추가
             $menu_list .= sprintf("\n%s,move_url('%s','sendMessage', true)", $menu_str, $menu_link);
@@ -65,7 +65,7 @@
         } else {
             // 4. 쪽지 발송 메뉴를 만듬
             $menu_str = Context::getLang('cmd_send_message');
-            $menu_link = sprintf('./?module=member&act=dispMemberSendMessage&target_member_srl=%s',$member_srl);
+            $menu_link = sprintf('./?module=member&act=dispMemberSendMessage&receiver_srl=%s',$member_srl);
 
             // 메뉴에 새로 만든 쪽지 발송 메뉴를 추가
             $menu_list .= sprintf("\n%s,popopen('%s','sendMessage')", $menu_str, $menu_link);
diff --git a/common/lang/ko.lang.php b/common/lang/ko.lang.php
index c89b9aa4c..cb30fdbed 100644
--- a/common/lang/ko.lang.php
+++ b/common/lang/ko.lang.php
@@ -153,6 +153,7 @@
     $lang->success_deleted = '삭제되었습니다';
     $lang->success_voted = '추천되었습니다';
     $lang->success_moved = '이동되었습니다';
+    $lang->success_sended = '발송되었습니다';
 
     $lang->failed_voted = '추천하실 수 없습니다';
     $lang->fail_to_delete_have_children = '답글이 있어서 삭제할 수 없습니다';
diff --git a/modules/member/lang/ko.lang.php b/modules/member/lang/ko.lang.php
index 309cb009f..d11493b66 100644
--- a/modules/member/lang/ko.lang.php
+++ b/modules/member/lang/ko.lang.php
@@ -74,6 +74,7 @@
     $lang->msg_signup_disabled = '회원 가입을 하실 수 없습니다';
     $lang->msg_already_logged = '이미 회원 가입을 하신 상태입니다';
     $lang->msg_not_logged = '로그인을 하지 않으셨습니다';
+    $lang->msg_content_is_null = '내용을 입력해주세요';
 
     $lang->msg_not_uploaded_image_name = '이미지 이름을 등록할 수가 없습니다';
     $lang->msg_not_uploaded_image_mark = '이미지 마크를 등록할 수가 없습니다';
diff --git a/modules/member/member.controller.php b/modules/member/member.controller.php
index 4bd145eba..3c1f4b570 100644
--- a/modules/member/member.controller.php
+++ b/modules/member/member.controller.php
@@ -44,6 +44,189 @@
             return new Object();
         }
 
+        /**
+         * @brief 쪽지 발송
+         **/
+        function procMemberSendMessage() {
+            // 로그인 정보 체크
+            if(!Context::get('is_logged')) return new Object(-1, 'msg_not_logged');
+            $logged_info = Context::get('logged_info');
+
+            // 변수 검사
+            $receiver_srl = Context::get('receiver_srl');
+            if(!$receiver_srl) return new Object(-1, 'msg_not_exists_member');
+            $content = trim(Context::get('content'));
+            if(!$content) return new Object(-1, 'msg_content_is_null');
+
+            // 받을 회원이 있는지에 대한 검사
+            $oMemberModel = &getModel('member');
+            $receiver_member_info = $oMemberModel->getMemberInfoByMemberSrl($receiver_srl);
+            if($receiver_member_info->member_srl != $receiver_srl) return new Object(-1, 'msg_not_exists_member');
+
+            // 발송하는 회원의 쪽지함에 넣을 쪽지
+            $sender_args->message_srl = getNextSequence();
+            $sender_args->related_srl = 0;
+            $sender_args->list_order = getNextSequence()*-1;
+            $sender_args->sender_srl = $logged_info->member_srl;
+            $sender_args->receiver_srl = $receiver_srl;
+            $sender_args->message_type = 'S';
+            $sender_args->content = $content;
+            $sender_args->readed = 'N';
+            $sender_args->regdate = date("YmdHis");
+            $output = executeQuery('member.sendMessage', $sender_args);
+            if(!$output->toBool()) return $output;
+
+            // 받는 회원의 쪽지함에 넣을 쪽지
+            $receiver_args->message_srl = getNextSequence();
+            $receiver_args->related_srl = $sender_args->message_srl;
+            $receiver_args->list_order = getNextSequence()*-1;
+            $receiver_args->sender_srl = $logged_info->member_srl;
+            $receiver_args->receiver_srl = $receiver_srl;
+            $receiver_args->message_type = 'R';
+            $receiver_args->content = $content;
+            $receiver_args->readed = 'N';
+            $receiver_args->regdate = date("YmdHis");
+            $output = executeQuery('member.sendMessage', $receiver_args);
+            if(!$output->toBool()) return $output;
+
+            $this->setMessage('success_sended');
+        }
+
+        /**
+         * @brief 쪽지 삭제
+         **/
+        function procMemberDeleteMessage() {
+            // 로그인 정보 체크
+            if(!Context::get('is_logged')) return new Object(-1, 'msg_not_logged');
+            $logged_info = Context::get('logged_info');
+            $member_srl = $logged_info->member_srl;
+
+            // 변수 체크
+            $message_srl = Context::get('message_srl');
+            if(!$message_srl) return new Object(-1,'msg_invalid_request');
+
+            // 쪽지를 가져옴
+            $oMemberModel = &getModel('member');
+            $message = $oMemberModel->getMessage($message_srl);
+            if(!$message) return new Object(-1,'msg_invalid_request');
+
+            // 발송인+type=S or 수신인+type=R 검사
+            if($message->sender_srl == $member_srl && $message->message_type == 'S') {
+                $args->message_srl = $message_srl;
+            } elseif($message->receiver_srl == $member_srl && $message->message_type == 'R') {
+                $args->message_srl = $message_srl;
+            }
+            if(!$args->message_srl) return new Object(-1, 'msg_invalid_request');
+
+            // 삭제
+            $output = executeQuery('member.deleteMessage', $args);
+            if(!$output->toBool()) return $output;
+
+            $this->setMessage('success_deleted');
+        }
+
+        /**
+         * @brief 친구 추가
+         **/
+        function procMemberAddFriend() {
+            // 로그인 정보 체크
+            if(!Context::get('is_logged')) return new Object(-1, 'msg_not_logged');
+            $logged_info = Context::get('logged_info');
+
+            // 변수 정리
+            $args->friends_srl = getNextSequence();
+            $args->list_order = $args->friends_srl * -1;
+            $args->friends_group_srl = Context::get('friends_group_srl');
+            $args->member_srl = $logged_info->member_srl;
+            $args->target_srl = Context::get('target_srl');
+            $output = executeQuery('member.addFriends', $args);
+            if(!$output->toBool()) return $output;
+
+            $this->setMessage('success_registed');
+        }
+
+        /**
+         * @brief 친구 삭제
+         **/
+        function procMemberDeleteFriend() {
+            // 로그인 정보 체크
+            if(!Context::get('is_logged')) return new Object(-1, 'msg_not_logged');
+            $logged_info = Context::get('logged_info');
+
+            // 변수 정리
+            $args->friends_srl = Context::get('friends_srl');
+            $args->member_srl = $logged_info->member_srl;
+            $output = executeQuery('member.deleteFriends', $args);
+            if(!$output->toBool()) return $output;
+
+            $this->setMessage('success_deleted');
+        }
+
+        /**
+         * @brief 친구 그룹 추가
+         **/
+        function procMemberAddFriendGroup() {
+            // 로그인 정보 체크
+            if(!Context::get('is_logged')) return new Object(-1, 'msg_not_logged');
+            $logged_info = Context::get('logged_info');
+
+            // 변수 정리
+            $args->member_srl = $logged_info->member_srl;
+            $args->title = Context::get('title');
+            if(!$args->title) return new Object(-1, 'msg_invalid_request');
+
+            $output = executeQuery('member.addFriendGroup', $args);
+            if(!$output->toBool()) return $output;
+
+            $this->setMessage('success_registed');
+        }
+
+        /**
+         * @brief 친구 그룹 이름 변경
+         **/
+        function procMemberRenameFriendGroup() {
+            // 로그인 정보 체크
+            if(!Context::get('is_logged')) return new Object(-1, 'msg_not_logged');
+            $logged_info = Context::get('logged_info');
+
+            // 변수 정리
+            $args->friends_group_srl= Context::get('friends_group_srl');
+            $args->member_srl = $logged_info->member_srl;
+            $args->title = Context::get('title');
+            if(!$args->title) return new Object(-1, 'msg_invalid_request');
+
+            $output = executeQuery('member.renameFriendGroup', $args);
+            if(!$output->toBool()) return $output;
+
+            $this->setMessage('success_updated');
+        }
+
+        /**
+         * @brief 친구 그룹 삭제
+         **/
+        function procMemberDeleteFriendGroup() {
+            // 로그인 정보 체크
+            if(!Context::get('is_logged')) return new Object(-1, 'msg_not_logged');
+            $logged_info = Context::get('logged_info');
+
+            // 변수 정리
+            $args->friends_group_srl = Context::get('friends_group_srl');
+            $args->member_srl = $logged_info->member_srl;
+            $output = executeQuery('member.deleteFriendGroup', $args);
+            if(!$output->toBool()) return $output;
+
+            $this->setMessage('success_deleted');
+        }
+
+        /**
+         * @brief 특정 쪽지의 상태를 읽은 상태로 변경
+         **/
+        function setMessageReaded($message_srl) {
+            $args->message_srl = $message_srl;
+            $args->related_srl = $message_srl;
+            return executeQuery('member.setMessageReaded', $args);
+        }
+
         /**
          * @brief 사용자 추가 (관리자용)
          **/
diff --git a/modules/member/member.model.php b/modules/member/member.model.php
index 5394596cf..8ab18c26a 100644
--- a/modules/member/member.model.php
+++ b/modules/member/member.model.php
@@ -114,6 +114,7 @@
          * @brief member_srl로 사용자 정보 return
          **/
         function getMemberInfoByMemberSrl($member_srl) {
+            if(!$member_srl) return;
             if(!$this->member_info[$member_srl]) {
                 $args->member_srl = $member_srl;
                 $output = executeQuery('member.getMemberInfoByMemberSrl', $args);
@@ -478,5 +479,14 @@
             $signature = substr($buff, 40);
             return $signature;
         }
+
+        /**
+         * @brief 쪽지 내용을 가져옴
+         **/
+        function getMessage($message_srl) {
+            $args->message_srl = $message_srl;
+            $output = executeQuery('member.getMessage',$args);
+            return $output->data;
+        }
     }
 ?>
diff --git a/modules/member/member.view.php b/modules/member/member.view.php
index fc325e132..d813b9084 100644
--- a/modules/member/member.view.php
+++ b/modules/member/member.view.php
@@ -182,6 +182,36 @@
             $this->setTemplateFile('logout');
         }
 
+        /**
+         * @brief 쪽지함 출력
+         **/
+        function dispMemberMessage() {
+        }
+
+        /**
+         * @brief 쪽지 발송 출력
+         **/
+        function dispMemberSendMessage() {
+        }
+
+        /**
+         * @brief 친구 목록 보기
+         **/
+        function dispMemberFriends() {
+        }
+
+        /**
+         * @brief 친구 추가
+         **/
+        function dispMemberAddFriend() {
+        }
+
+        /**
+         * @brief 친구 그룹 추가
+         **/
+        function dispMemberFriendGroup() {
+        }
+
         /**
          * @brief 회원 목록 출력
          **/
diff --git a/modules/member/queries/addFriendGroup.xml b/modules/member/queries/addFriendGroup.xml
new file mode 100644
index 000000000..c547d2998
--- /dev/null
+++ b/modules/member/queries/addFriendGroup.xml
@@ -0,0 +1,11 @@
+<query id="addFriendGroup" action="insert">
+    <tables>
+        <table name="member_friends_group" />
+    </tables>
+    <columns>
+        <column name="friends_group_srl" var="friends_group_srl" default="sequence()" notnull="notnull" />
+        <column name="member_srl" var="member_srl" notnull="notnull" />
+        <column name="title" var="title" notnull="notnull" />
+        <column name="regdate" default="curdate()" />
+    </columns>
+</query>
diff --git a/modules/member/queries/addFriends.xml b/modules/member/queries/addFriends.xml
new file mode 100644
index 000000000..7807d9433
--- /dev/null
+++ b/modules/member/queries/addFriends.xml
@@ -0,0 +1,13 @@
+<query id="addFriends" action="insert">
+    <tables>
+        <table name="member_friends" />
+    </tables>
+    <columns>
+        <column name="friends_srl" var="friends_srl" notnull="notnull" />
+        <column name="friends_group_srl" var="friends_group_srl" default="0" notnull="notnull" />
+        <column name="member_srl" var="member_srl" notnull="notnull" />
+        <column name="target_srl" var="target_srl" notnull="notnull" />
+        <column name="list_order" var="list_order" />
+        <column name="regdate" default="curdate()" />
+    </columns>
+</query>
diff --git a/modules/member/queries/deleteFriendGroup.xml b/modules/member/queries/deleteFriendGroup.xml
new file mode 100644
index 000000000..f25c631c4
--- /dev/null
+++ b/modules/member/queries/deleteFriendGroup.xml
@@ -0,0 +1,9 @@
+<query id="deleteFriendGroup" action="delete">
+    <tables>
+        <table name="member_friends_gruop" />
+    </tables>
+    <conditions>
+        <condition operation="equal" column="friends_group_srl" var="friends_group_srl" notnull="notnull" filter="number" />
+        <condition operation="equal" column="member_srl" var="member_srl" notnull="notnull" filter="number" pipe="and" />
+    </conditions>
+</query>
diff --git a/modules/member/queries/deleteFriends.xml b/modules/member/queries/deleteFriends.xml
new file mode 100644
index 000000000..c77b09668
--- /dev/null
+++ b/modules/member/queries/deleteFriends.xml
@@ -0,0 +1,9 @@
+<query id="deleteFriends" action="delete">
+    <tables>
+        <table name="member_friends" />
+    </tables>
+    <conditions>
+        <condition operation="equal" column="friends_srl" var="friends_srl" notnull="notnull" filter="number" />
+        <condition operation="equal" column="member_srl" var="member_srl" notnull="notnull" filter="number" pipe="and" />
+    </conditions>
+</query>
diff --git a/modules/member/queries/deleteMessage.xml b/modules/member/queries/deleteMessage.xml
new file mode 100644
index 000000000..c579eb3ec
--- /dev/null
+++ b/modules/member/queries/deleteMessage.xml
@@ -0,0 +1,8 @@
+<query id="deleteMessage" action="delete">
+    <tables>
+        <table name="member_message" />
+    </tables>
+    <conditions>
+        <condition operation="equal" column="message_srl" var="message_srl" notnull="notnull" filter="number" />
+    </conditions>
+</query>
diff --git a/modules/member/queries/getMessage.xml b/modules/member/queries/getMessage.xml
new file mode 100644
index 000000000..96aecf8dc
--- /dev/null
+++ b/modules/member/queries/getMessage.xml
@@ -0,0 +1,11 @@
+<query id="getMessage" action="select">
+    <tables>
+        <table name="member_message" />
+    </tables>
+    <columns>
+        <column name="*" />
+    </columns>
+    <conditions>
+        <condition operation="equal" column="message_srl" var="message_srl" notnull="notnull" />
+    </conditions>
+</query>
diff --git a/modules/member/queries/renameFriendGroup.xml b/modules/member/queries/renameFriendGroup.xml
new file mode 100644
index 000000000..4e8b1dd2d
--- /dev/null
+++ b/modules/member/queries/renameFriendGroup.xml
@@ -0,0 +1,12 @@
+<query id="renameFriendGroup" action="update">
+    <tables>
+        <table name="member_friends_group" />
+    </tables>
+    <columns>
+        <column name="title" var="title" notnull="notnull" />
+    </columns>
+    <conditions>
+        <condition operation="equal" column="friends_group_srl" var="friends_group_srl" notnull="notnull" filter="number" />
+        <condition operation="equal" column="member_srl" var="member_srl" notnull="notnull" filter="number" pipe="and" />
+    </conditions>
+</query>
diff --git a/modules/member/queries/sendMessage.xml b/modules/member/queries/sendMessage.xml
new file mode 100644
index 000000000..97105c446
--- /dev/null
+++ b/modules/member/queries/sendMessage.xml
@@ -0,0 +1,14 @@
+<query id="sendMessage" action="insert">
+    <tables>
+        <table name="member_message" />
+    </tables>
+    <columns>
+        <column name="message_srl" var="message_srl" notnull="notnull" />
+        <column name="list_order" var="list_order" notnull="notnull" />
+        <column name="member_srl" var="member_srl" notnull="notnull" />
+        <column name="message_type" var="message_type" notnull="notnull" />
+        <column name="content" var="content" notnull="notnull" />
+        <column name="readed" var="readed" notnull="notnull" />
+        <column name="regdate" var="reded" default="curdate()" />
+    </columns>
+</query>
diff --git a/modules/member/queries/setMessageReaded.xml b/modules/member/queries/setMessageReaded.xml
new file mode 100644
index 000000000..a55a91eba
--- /dev/null
+++ b/modules/member/queries/setMessageReaded.xml
@@ -0,0 +1,13 @@
+<query id="setMessageReaded" action="update">
+    <tables>
+        <table name="member_message" />
+    </tables>
+    <columns>
+        <column name="readed" default="Y" />
+        <column name="readed_date" default="curdate()" />
+    </columns>
+    <conditions>
+        <condition operation="equal" column="message_srl" var="message_srl" notnull="notnull" filter="number"/>
+        <condition operation="equal" column="related_srl" var="related_srl" notnull="notnull" filter="number" pipe="or" />
+    </conditions>
+</query>
diff --git a/modules/member/schemas/member_friends.xml b/modules/member/schemas/member_friends.xml
index c0199276f..98b399e0b 100644
--- a/modules/member/schemas/member_friends.xml
+++ b/modules/member/schemas/member_friends.xml
@@ -1,7 +1,8 @@
 <table name="member_friends">
     <column name="friends_srl" type="number" size="11" notnull="notnull" primary_key="primary_key" />
     <column name="friends_group_srl" type="number" size="11" default="0" notnull="notnull" index="idx_friends_group_srl" />
-    <column name="owner_member_srl" type="number" size="11" notnull="notnull" index="index_owner_member_srl" />
-    <column name="friend_member_srl" type="number" size="11" notnull="notnull" />
+    <column name="member_srl" type="number" size="11" notnull="notnull" index="idx_owner_member_srl" />
+    <column name="target_srl" type="number" size="11" notnull="notnull" />
+    <column name="list_order" type="number" size="11" notnull="notnull" index="idx_list_order" />
     <column name="regdate" type="date" />
 </table>
diff --git a/modules/member/schemas/member_friends_group.xml b/modules/member/schemas/member_friends_group.xml
index 125ee6d30..7b2004f64 100644
--- a/modules/member/schemas/member_friends_group.xml
+++ b/modules/member/schemas/member_friends_group.xml
@@ -1,6 +1,6 @@
 <table name="member_friends_group">
     <column name="friends_group_srl" type="number" size="11" notnull="notnull" primary_key="primary_key" />
-    <column name="owner_member_srl" type="number" size="11" notnull="notnull" index="index_owner_member_srl" />
+    <column name="member_srl" type="number" size="11" notnull="notnull" index="index_owner_member_srl" />
     <column name="title" type="varchar" size="250" notnull="notnull" />
     <column name="regdate" type="date" />
 </table>
diff --git a/modules/member/schemas/member_message.xml b/modules/member/schemas/member_message.xml
index 494e81cf3..3648cff80 100644
--- a/modules/member/schemas/member_message.xml
+++ b/modules/member/schemas/member_message.xml
@@ -1,11 +1,12 @@
 <table name="member_message">
     <column name="message_srl" type="number" size="11" notnull="notnull" primary_key="primary_key" />
-    <column name="list_order" type="number" size="11" notnull="notnull" index="idx_list_order" />
+    <column name="related_srl" type="number" size="11" notnull="notnull" index="idx_related_srl" />
     <column name="sender_srl" type="number" size="11" notnull="notnull" index="idx_sender_srl" />
     <column name="receiver_srl" type="number" size="11" notnull="notnull" index="idx_receiver_srl" />
-    <column name="message_type" type="char" size="1" default="S" notnull="notnull" index="idx_message_type" />
+    <column name="message_type" type="char" size="1" default="S" notnull="notnull" />
     <column name="content" type="text" notnull="notnull" />
     <column name="readed" type="char" size="1" default="N" notnull="notnull" />
+    <column name="list_order" type="number" size="11" notnull="notnull" index="idx_list_order" />
     <column name="regdate" type="date" />
     <column name="readed_date" type="date" />
 </table>