Table 2

Acupuncture method for each acupoint

AcupointNeedling method
Baihui (GV20), Shenting (GV24)The angle between the needle tip and the scalp is 30°. Move the needle tip backward along the anterior–posterior midline, and then insert the needle for about 1 cm
Yintang (GV29)Pinch the local skin, and then puncture obliquely for about 1 cm
Anmian (EX-HN22)The angle between the needle tip and the scalp is 30°. Puncture perpendicularly for about 1 cm
Shenmen (HT7), Sanyinjiao (SP6), Neiguan (PC6)Puncture perpendicularly for about 1 cm