PENG Weiqin,YANG Yiling,HUANG Jianpeng,LIU Jianhua

（1. Clinical Medical College of Acupuncture, Moxibustion and Rehabilitation of Guangzhou University of TCM,Guangzhou 510000,China; 2. Second Hospital of Guangzhou University of TCM ,Guangzhou510000,China;3.Guangdong Province Traditional Chinese Medical 

Hospital,Guangzhou 510000,China）

Abstract:  “The  treament  of  orofacial  diseases  by  acupuncture  at  Hegu(L4)”  as  a  conclusion  of  Chinese medical  clinical  practice,  is  a  representative  of  the  theory  of  the  selection  of  acupoints  accordingto meridians pathway.Previous studies have shown that a competitive activity-dependent interaction between the orofacial and hand representations of motor cortex has been demonstrated,in which sensory afferents or not play an important role.Hand  areas and orofacial areas over the mortor cortex and somatosensory cortex  have  some  functional reorganization  in physiologic and pathologic  condition.Therefore,based  on “the  Treament  of  Orofacial  Diseases  by  Acupuncture  at  Hegu”,the  study  of  functional  reorganization between hand areas and orofacial areas in recent 20 years are reviewed,and discuss  the brain plasticity mechanism about “The treament of orofacial diseases by acupuncture at Hegu(L4)”in this paper.

Key words: Acupuncture, Hegu, brain plasticity, functional reorganization