In the acupuncture bloodletting group , Quchi ( LI 11 ) , Neiguan ( PC 6 ) , Xuehai ( SP 10 ) and Sanyinjiao ( SP 6 ) were selected and manipulated with reducing method , and pricking bloodletting with three-edge needle and cupping were given at Feishu ( BL 13 ) and Geshu ( BL 17 ) , once every other day .