diff --git a/Shell-MD/xtrabackup.sh b/Shell-MD/xtrabackup.sh
new file mode 100644
index 0000000..1e2032c
--- /dev/null
+++ b/Shell-MD/xtrabackup.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash 
+#write by blackmed
+#xtrabackup
+read -p "请输入mysql的root密码：" mima
+time=`date +%a`
+if [ "${time}" == "Mon" ];then
+	mkdir /backup/full -p
+	innobackupex --user=root --password=${mima} /backup/full/
+elif [ "${time}" == "Tue" ];then
+	cd /backup/full/;ls >/tmp/a.txt
+	mkdir /backup/zeng
+	file1=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/full/${file1} 
+
+elif [ "${time}" == "Wed" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file2=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file2}
+ 
+elif [ "${time}" == "Thu" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file3=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file3}
+
+elif [ "${time}" == "Fri" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file4=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file4}
+
+elif [ "${time}" == "Sat" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file5=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file5}
+
+elif [ "${time}" == "Sun" ];then
+	cd /backup/zeng;ls >/tmp/a.txt
+	file6=`cat /tmp/a.txt | sed '/^$/!h;$!d;g'`
+	innobackupex --user=root --password=${mima} --incremental /backup/zeng/ --incremental-basedir=/backup/zeng/${file6}
+else 
+	echo ${time}
+fi