The combined therapy group was treated with scalp acupuncture at forehead middle line , parieral middle line , temporal front line and temporal rear line as well as auricular point sticking at naogan ( AT3 ,41 ) , shen ( CO10 ) , shenmen ( TF4 ) , zhen ( AT3 ) , once a day ; the body acupuncture group was treated with acupuncture at Baihui ( GV 20 ) , Fengchi ( GB 20 ) , Zusanli ( ST 36 ) and so on , once a day ; the western medication group was treated with oral administration of aniracetam tablets , 0.2 g per time , twice a day .