Different stimulation intensities of acupuncture at Hegu ( LI 4 ) combined with facial paralysis acupoints , including Yingxiang ( LI 20 ) , Dicang ( ST 4 ) , Jiache ( ST 6 ) and Quanliao ( SI 18 ) , were applied in Hegu 1 to 4 groups ; meanwhile acupuncture at stroke acupoints , including Neiguan ( PC 6 ) , Shuigou ( GV 26 ) and Sanyinjiao ( SP 6 ) , and medication treatment were adopted .