1.Invasion of Exogenous Pathogenic Wind,Cold and Dampness Treatment Principle:Dredging the meridians and promoting the collaterals,dispersing wind and cold,resolving dampness Acupoint Selection: Group A:Quchi(LI11),Waiguan(SJ5),Chize(LU5),Shou sanli(LI10) B:Hegu(LI4),Tianjing(SJ10),Xiaohai(SI8),Quc hi(LI11) 1.Invasion of Exogenous Pathogenic Wind,Cold and Dampness Treatment Principle:Dredging the meridians and promoting the collaterals,dispersing wind and cold,resolving dampness Acupoint Selection: Group A:Quchi(LI11),Waiguan(SJ5),Chize(LU5),Shou sanli(LI10) Group B:Hegu(LI4),Tianjing(SJ10),Xiaohai(SI8),Quc hi(LI11)