Acupuncture at Zhongwan ( CV @ ) , Daheng ( SP @ ) , Sanyinjiao ( SP @ ) and Taichong ( LR @ ) , etc. was applied in the group A ; acupuncture at Baihui ( GV @ ) , Fengfu ( GV @ ) , Shenting ( GV @ ) and Yintang ( GV @ ) , etc. was used in the group B ; oral administration of estazolam tablets ( @ mg each-day ) was adapted in the group C , all once a day for totally @ days .