Points such as Zhongwan ( CV 12 ) , Guanyuan ( CV 4 ) , Tianshu ( ST 25 ) , Zhangmen ( LR 13 ) , Jingmen ( GB 25 ) , Qimen ( LR 14 ) , Ganshu ( BL 18 ) , Weishu ( BL 21 ) , Pishu ( BL 20 ) , Shenshu ( BL 23 ) , Dachangshu ( BL 25 ) and Xiaochangshu ( BL 27 ) , etc. were adopted for embedding therapy .