diff --git a/adm/config_form.php b/adm/config_form.php
index 21e00865b..c0e5f9510 100644
--- a/adm/config_form.php
+++ b/adm/config_form.php
@@ -65,7 +65,7 @@ if(!isset($config['cf_mobile_pages'])) {
 
 if(!isset($config['cf_facebook_appid'])) {
     sql_query(" ALTER TABLE `{$g4['config_table']}`
-                    ADD `cf_facebook_appid` VARCHAR(255) NOT NULL AFTER `cf_kcpcert_use`,  
+                    ADD `cf_facebook_appid` VARCHAR(255) NOT NULL AFTER `cf_kcpcert_use`,
                     ADD `cf_facebook_secret` VARCHAR(255) NOT NULL AFTER `cf_facebook_appid`,
                     ADD `cf_twitter_key` VARCHAR(255) NOT NULL AFTER `cf_facebook_secret`,
                     ADD `cf_twitter_secret` VARCHAR(255) NOT NULL AFTER `cf_twitter_key`,
@@ -101,6 +101,16 @@ if(!sql_query(" DESC {$g4['autosave_table']} ", false)) {
                 ) ", false);
 }
 
+// 포인트유효기간 필드추가
+if(!sql_query(" select cf_point_term from {$g4['config_table']} ", false)) {
+    sql_query(" ALTER TABLE `{$g4['config_table']}`
+                    ADD `cf_point_term` int(11) NOT NULL DEFAULT '0' AFTER `cf_use_point` ", false);
+    sql_query(" ALTER TABLE `{$g4['point_table']}`
+                    ADD `po_use_point` int(11) NOT NULL DEFAULT '0' AFTER `po_point`,
+                    ADD `po_expired` tinyint(4) NOT NULL DEFAULT '0' AFTER `po_use_point`,
+                    ADD `po_expire_date` date NOT NULL DEFAULT '0000-00-00' AFTER `po_expired` ", false);
+}
+
 $g4['title'] = '환경설정';
 include_once ('./admin.head.php');
 
@@ -333,6 +343,13 @@ $pg_anchor = '<ul class="anchor">
             <input type="checkbox" name="cf_use_copy_log" value="1" id="cf_use_copy_log" <?php echo $config['cf_use_copy_log']?'checked':''; ?>> 남김
         </td>
     </tr>
+    <tr>
+        <th scope="row"><label for="cf_point_term">포인트 유효기간</label></th>
+        <td colspan="3">
+            <?php echo help('기간을 0으로 설정시 포인트 유효기간이 적용되지 않습니다.') ?>
+            <input type="text" name="cf_point_term" value="<?php echo $config['cf_point_term']; ?>" id="cf_point_term" required class="required frm_input" size="5"> 일
+        </td>
+    </tr>
     <tr>
         <th scope="row"><label for="cf_possible_ip">접근가능 IP</label></th>
         <td>
diff --git a/adm/config_form_update.php b/adm/config_form_update.php
index 2abfc9915..32d87738d 100644
--- a/adm/config_form_update.php
+++ b/adm/config_form_update.php
@@ -23,6 +23,7 @@ $sql = " update {$g4['config_table']}
                  cf_include_tail = '{$_POST['cf_include_tail']}',
                  cf_add_script = '{$_POST['cf_add_script']}',
                  cf_use_point = '{$_POST['cf_use_point']}',
+                 cf_point_term = '{$_POST['cf_point_term']}',
                  cf_use_norobot = '{$_POST['cf_use_norobot']}',
                  cf_use_copy_log = '{$_POST['cf_use_copy_log']}',
                  cf_use_email_certify = '{$_POST['cf_use_email_certify']}',
diff --git a/adm/point_list.php b/adm/point_list.php
index af3d342e2..e29aaa1c7 100644
--- a/adm/point_list.php
+++ b/adm/point_list.php
@@ -9,6 +9,7 @@ $token = get_token();
 $sql_common = " from {$g4['point_table']} ";
 
 $sql_search = " where (1) ";
+
 if ($stx) {
     $sql_search .= " and ( ";
     switch ($sfl) {
@@ -58,7 +59,12 @@ if ($sfl == 'mb_id' && $stx)
 $g4['title'] = '포인트관리';
 include_once ('./admin.head.php');
 
-$colspan = 8;
+$colspan = 9;
+
+$po_expire_term = '';
+if($config['cf_point_term'] > 0) {
+    $po_expire_term = $config['cf_point_term'];
+}
 ?>
 
 <script>
@@ -128,6 +134,7 @@ function point_clear()
         <th scope="col">일시</th>
         <th scope="col">포인트 내용</th>
         <th scope="col">포인트</th>
+        <th scope="col">만료</th>
         <th scope="col">포인트합</th>
     </tr>
     </thead>
@@ -161,6 +168,7 @@ function point_clear()
         <td class="td_time"><?php echo $row['po_datetime'] ?></td>
         <td class="td_pt_log"><?php echo $link1 ?><?php echo $row['po_content'] ?><?php echo $link2 ?></td>
         <td class="td_num td_pt"><?php echo number_format($row['po_point']) ?></td>
+        <td><?php echo $row['po_expired'] ? '예' : '아니오'; ?></td>
         <td class="td_bignum td_pt"><?php echo number_format($row2['mb_point']) ?></td>
     </tr>
 
@@ -211,6 +219,12 @@ function point_clear()
         <th scope="row"><label for="po_point">포인트<strong class="sound_only">필수</strong></label></th>
         <td><input type="text" name="po_point" id="po_point" required class="required frm_input"></td>
     </tr>
+    <?php if($config['cf_point_term'] > 0) { ?>
+    <tr>
+        <th scope="row"><label for="po_expire_term">포인트 유효기간</label></th>
+        <td><input type="text" name="po_expire_term" value="<?php echo $po_expire_term; ?>" id="po_expire_term" class="frm_input" size="5"> 일</td>
+    </tr>
+    <?php } ?>
     </tbody>
     </table>
 
diff --git a/adm/point_list_delete.php b/adm/point_list_delete.php
index e09bafd48..12c5a62b9 100644
--- a/adm/point_list_delete.php
+++ b/adm/point_list_delete.php
@@ -20,9 +20,7 @@ for ($i=0; $i<$count; $i++)
     $sql = " delete from {$g4['point_table']} where po_id = '{$_POST['po_id'][$k]}' ";
     sql_query($sql);
 
-    $sql = " select sum(po_point) as sum_po_point from {$g4['point_table']} where mb_id = '{$_POST['mb_id'][$k]}' ";
-    $row = sql_fetch($sql);
-    $sum_point = $row['sum_po_point'];
+    $sum_point = get_point_sum($_POST['mb_id'][$k]);
 
     $sql= " update {$g4['member_table']} set mb_point = '{$sum_point}' where mb_id = '{$_POST['mb_id'][$k]}' ";
     sql_query($sql);
diff --git a/adm/point_update.php b/adm/point_update.php
index fbd2f1a9d..24a318c9a 100644
--- a/adm/point_update.php
+++ b/adm/point_update.php
@@ -9,6 +9,7 @@ check_token();
 $mb_id = $_POST['mb_id'];
 $po_point = $_POST['po_point'];
 $po_content = $_POST['po_content'];
+$expire = preg_replace('/[^0-9]/', '', $_POST['po_expire_term']);
 
 $mb = get_member($mb_id);
 
@@ -18,7 +19,7 @@ if (!$mb['mb_id'])
 if (($po_point < 0) && ($po_point * (-1) > $mb['mb_point']))
     alert('포인트를 깎는 경우 현재 포인트보다 작으면 안됩니다.', './point_list.php?'.$qstr);
 
-insert_point($mb_id, $po_point, $po_content, '@passive', $mb_id, $member['mb_id']."-".uniqid(""));
+insert_point($mb_id, $po_point, $po_content, '@passive', $mb_id, $member['mb_id'].'-'.uniqid(''), $expire);
 
 goto_url('./point_list.php?'.$qstr);
 ?>
diff --git a/install/gnuboard4s.sql b/install/gnuboard4s.sql
index 746eb61d1..78f661892 100644
--- a/install/gnuboard4s.sql
+++ b/install/gnuboard4s.sql
@@ -197,6 +197,7 @@ CREATE TABLE IF NOT EXISTS `g4s_config` (
   `cf_include_tail` varchar(255) NOT NULL DEFAULT '',
   `cf_add_script` text NOT NULL,
   `cf_use_point` tinyint(4) NOT NULL DEFAULT '0',
+  `cf_point_term` int(11) NOT NULL DEFAULT '0',
   `cf_use_norobot` tinyint(4) NOT NULL DEFAULT '0',
   `cf_use_copy_log` tinyint(4) NOT NULL DEFAULT '0',
   `cf_use_email_certify` tinyint(4) NOT NULL DEFAULT '0',
@@ -492,6 +493,9 @@ CREATE TABLE IF NOT EXISTS `g4s_point` (
   `po_datetime` datetime NOT NULL default '0000-00-00 00:00:00',
   `po_content` varchar(255) NOT NULL default '',
   `po_point` int(11) NOT NULL default '0',
+  `po_use_point` int(11) NOT NULL default '0',
+  `po_expired` tinyint(4) NOT NULL default '0',
+  `po_expire_date` date NOT NULL default '0000-00-00',  
   `po_rel_table` varchar(20) NOT NULL default '',
   `po_rel_id` varchar(20) NOT NULL default '',
   `po_rel_action` varchar(255) NOT NULL default '',
diff --git a/lib/common.lib.php b/lib/common.lib.php
index 3674cfdcd..731dd8490 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -539,7 +539,7 @@ function html_purifier($html)
         // 첫행이 # 이면 주석 처리
         if (!preg_match("/^#/", $domain)) {
             $domain = trim($domain);
-            if ($domain) 
+            if ($domain)
                 array_push($domains, $domain);
         }
     }
@@ -851,7 +851,7 @@ function get_yn_select($name, $selected='1', $event='')
 
 
 // 포인트 부여
-function insert_point($mb_id, $point, $content='', $rel_table='', $rel_id='', $rel_action='')
+function insert_point($mb_id, $point, $content='', $rel_table='', $rel_id='', $rel_action='', $expire='')
 {
     global $config;
     global $g4;
@@ -881,21 +881,65 @@ function insert_point($mb_id, $point, $content='', $rel_table='', $rel_id='', $r
             return -1;
     }
 
+    // 포인트를 사용한 경우 포인트 내역에 사용금액 기록
+    if($point < 0) {
+        $point1 = abs($point);
+        $sql = " select po_id, po_point, po_use_point
+                    from {$g4['point_table']}
+                    where mb_id = '$mb_id'
+                      and po_expired = '0'
+                      and po_point > po_use_point
+                    order by po_datetime asc ";
+        $result = sql_query($sql);
+        for($i=0; $row=sql_fetch_array($result); $i++) {
+            $point2 = $row['po_point'];
+            $point3 = $row['po_use_point'];
+
+            if(($point2 - $point3) >= $point1) {
+                $sql = " update {$g4['point_table']}
+                            set po_use_point = po_use_point + '$point1'
+                            where po_id = '{$row['po_id']}' ";
+                sql_query($sql);
+                break;
+            } else {
+                $point4 = $point2 - $point3;
+                $sql = " update {$g4['point_table']}
+                            set po_use_point = po_use_point + '$point4',
+                                po_expired = '1'
+                            where po_id = '{$row['po_id']}' ";
+                sql_query($sql);
+                $point1 -= $point4;
+            }
+        }
+    }
+
     // 포인트 건별 생성
+    $po_expire_date = '0000-00-00';
+    if($config['cf_point_term'] > 0) {
+        if($expire != '' && $expire > 0)
+            $po_expire_date = date('Y-m-d', strtotime('+'.($expire - 1).' days', G4_SERVER_TIME));
+        else
+            $po_expire_date = date('Y-m-d', strtotime('+'.($config['cf_point_term'] - 1).' days', G4_SERVER_TIME));
+    }
+
+    $po_expired = 0;
+    if($point < 0)
+        $po_expired = 1;
+
     $sql = " insert into {$g4['point_table']}
                 set mb_id = '$mb_id',
                     po_datetime = '".G4_TIME_YMDHIS."',
                     po_content = '".addslashes($content)."',
                     po_point = '$point',
+                    po_use_point = '0',
+                    po_expired = '$po_expired',
+                    po_expire_date = '$po_expire_date',
                     po_rel_table = '$rel_table',
                     po_rel_id = '$rel_id',
                     po_rel_action = '$rel_action' ";
     sql_query($sql);
 
-    // 포인트 내역의 합을 구하고
-    $sql = " select sum(po_point) as sum_po_point from {$g4['point_table']} where mb_id = '$mb_id' ";
-    $row = sql_fetch($sql);
-    $sum_point = $row['sum_po_point'];
+    $sum_point = get_point_sum($mb_id);
 
     // 포인트 UPDATE
     $sql = " update {$g4['member_table']} set mb_point = '$sum_point' where mb_id = '$mb_id' ";
@@ -904,6 +948,31 @@ function insert_point($mb_id, $point, $content='', $rel_table='', $rel_id='', $r
     return 1;
 }
 
+// 포인트 내역 합계
+function get_point_sum($mb_id)
+{
+    global $g4, $config;
+
+    // 유효기간이 있을 때 기간이 지난 포인트 expired 체크
+    if($config['cf_point_term'] > 0) {
+        $sql = " update {$g4['point_table']}
+                    set po_expired = '1'
+                    where mb_id = '$mb_id'
+                      and po_expire_date <> '0000-00-00'
+                      and po_expire_date < '".G4_TIME_YMD."' ";
+        sql_query($sql);
+    }
+
+    // 포인트합
+    $sql = " select sum(po_point - po_use_point) as sum_po_point
+                from {$g4['point_table']}
+                where mb_id = '$mb_id'
+                  and po_expired = '0' ";
+    $row = sql_fetch($sql);
+
+    return $row['sum_po_point'];
+}
+
 // 포인트 삭제
 function delete_point($mb_id, $rel_table, $rel_id, $rel_action)
 {
@@ -963,11 +1032,11 @@ function get_sideview($mb_id, $name='', $email='', $homepage='')
 
                 if ($config['cf_use_member_icon'] == 2) // 회원아이콘+이름
                     $tmp_name = $tmp_name.' '.$name;
-            } else { 
-                  $tmp_name = $tmp_name." ".$name; 
-            } 
-        } else { 
-            $tmp_name = $tmp_name.' '.$name; 
+            } else {
+                  $tmp_name = $tmp_name." ".$name;
+            }
+        } else {
+            $tmp_name = $tmp_name.' '.$name;
         }
         $tmp_name .= '</a>';
 
@@ -2010,7 +2079,7 @@ function board_notice($bo_notice, $wr_id, $insert=false)
 
 
 // goo.gl 짧은주소 만들기
-function googl_short_url($longUrl) 
+function googl_short_url($longUrl)
 {
     global $config;