diff --git a/adm/admin.menu100.php b/adm/admin.menu100.php
index 985edef26..a50316266 100644
--- a/adm/admin.menu100.php
+++ b/adm/admin.menu100.php
@@ -7,6 +7,7 @@ $menu['menu100'] = array (
     //array('100400', '버전정보', G4_ADMIN_URL.'/version.php', 'cf_version'),
     array('100800', '세션파일 일괄삭제',G4_ADMIN_URL.'/session_file_delete.php', 'cf_session', 1),
     array('100900', '캐쉬파일 일괄삭제',G4_ADMIN_URL.'/cache_file_delete.php',   'cf_cache', 1),
+    array('100920', '썸네일파일 일괄삭제',G4_ADMIN_URL.'/thumbnail_file_delete.php',   'cf_cache', 1),
     array('100500', 'phpinfo()',        G4_ADMIN_URL.'/phpinfo.php',       'cf_phpinfo'),
     //array('100600', '업그레이드', G4_ADMIN_URL.'/upgrade.php', 'cf_upgrade'),
     //array('100700', '복구/최적화', G4_ADMIN_URL.'/repair.php', 'cf_repair'),
diff --git a/adm/thumbnail_file_delete.php b/adm/thumbnail_file_delete.php
new file mode 100644
index 000000000..585eddc46
--- /dev/null
+++ b/adm/thumbnail_file_delete.php
@@ -0,0 +1,67 @@
+<?
+$sub_menu = '100920';
+include_once('./_common.php');
+
+if ($is_admin != 'super')
+    alert('최고관리자만 접근 가능합니다.', G4_URL);
+
+$g4['title'] = '썸네일 일괄삭제';
+include_once('./admin.head.php');
+?>
+
+<div id="thumbnail_del">
+    <p>
+        완료 메세지가 나오기 전에 프로그램의 실행을 중지하지 마십시오.
+    </p>
+    <?php
+    $directory = array();
+    $dl = array('file', 'editor');
+
+    foreach($dl as $val) {
+        if($handle = opendir(G4_DATA_PATH.'/'.$val)) {
+            while(false !== ($entry = readdir($handle))) {
+                if($entry == '.' || $entry == '..')
+                    continue;
+
+                $path = G4_DATA_PATH.'/'.$val.'/'.$entry;
+
+                if(is_dir($path))
+                    $directory[] = $path;
+            }
+        }
+    }
+
+    flush();
+
+    if (empty($directory)) {
+        echo '<p>썸네일디렉토리를 열지못했습니다.</p>';
+    }
+
+    $cnt=0;
+    echo '<ul>'.PHP_EOL;
+
+    foreach($directory as $dir) {
+        $files = glob($dir.'/thumb-*');
+        if (is_array($files)) {
+            foreach($files as $thumbnail) {
+                $cnt++;
+                @unlink($thumbnail);
+
+                echo '<li>'.$thumbnail.'</li>'.PHP_EOL;
+
+                flush();
+
+                if ($cnt%10==0)
+                    echo PHP_EOL;
+            }
+        }
+    }
+
+    echo '<li>완료됨</li></ul>'.PHP_EOL;
+    echo '<p><span>썸네일 '.$cnt.'건의 삭제가 완료됐습니다.</span><br>프로그램의 실행을 끝마치셔도 좋습니다.</p>'.PHP_EOL;
+    ?>
+</div>
+
+<?php
+include_once('./admin.tail.php');
+?>
\ No newline at end of file