After syndrome differentiation , Danzhong ( CV 17 ) and Zhangmen ( LR 13 ) were added for those with stagnation of liver qi ; Pishu ( BL 20 ) and Weishu ( BL 21 ) were added for those with deficiency of spleen-stomach qi ; Qimen ( LR 14 ) and Taichong ( LR 3 ) were added for liver-qi invading stomach and Yinlingquan ( SP 9 ) and Neiting ( ST 44 ) were added for dampness-heat blocking stomach .