diff --git a/README.md b/README.md
index a8a8c5b..bc5dc8a 100644
--- a/README.md
+++ b/README.md
@@ -60,4 +60,8 @@ bash seafile-server-ce-ubuntu-14-04-amd64-http 4.3.1
 ```
 rm -rf /opt/seafile
 ```
+### 备份 mysql
 
+* 拷贝 `db-backup` 目录到 `/opt/seafile`
+* 修改 `db-backup/db_backup.sh` 中的 `USER` `PASSWD`
+* 执行 `crontab -e` 并添加内容 `0 1 * * * * /opt/seafile/db-backup/db_backup.sh` (每天凌晨1：00进行备份)
diff --git a/db-backup/db-list.txt b/db-backup/db-list.txt
new file mode 100644
index 0000000..50a0055
--- /dev/null
+++ b/db-backup/db-list.txt
@@ -0,0 +1,3 @@
+ccnet-db
+seafile-db
+seahub-db
diff --git a/db-backup/db_backup.sh b/db-backup/db_backup.sh
new file mode 100755
index 0000000..781c3e3
--- /dev/null
+++ b/db-backup/db_backup.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+USER=root
+PASSWD=aeneinoi
+DATE=`date +%Y%m%d%H%M`
+IGN_TAB=""
+
+for ign_tab in `cat table-ignore.txt`;
+do
+   IGN_TAB=${IGN_TAB}" --ignore-table=${ign_tab}"
+done
+
+for DATABASE in `cat db-list.txt`;
+do
+    mysqldump -u${USER} -p${PASSWD} --opt $DATABASE ${IGN_TAB} > $DATABASE-$DATE.sql
+done
+
+# Compress and clean
+tar czvf mysql-back-$DATE.tar.gz *.sql
+rm -rf *.sql
diff --git a/db-backup/table-ignore.txt b/db-backup/table-ignore.txt
new file mode 100644
index 0000000..1830ea0
--- /dev/null
+++ b/db-backup/table-ignore.txt
@@ -0,0 +1,11 @@
+seahub-db.avatar_uploaded
+seahub-db.avatar_avatar
+seahub-db.avatar_groupavatar
+seahub-db.Event
+seahub-db.FileAudit
+seahub-db.FileUpdate
+seahub-db.PermAudit
+seahub-db.UserEvent
+seahub-db.UserTrafficStat
+seahub-db.VirusFile
+seahub-db.VirusScanRecord