Two conditions are called exterior deficiency syndrome habitually. Exterior Syndrome of Wind-Cold (Attack of Wind)----Guizhi Decoction On the exterior but not Xu. Compare to Exterior Syndrome of Wind-Cold (Attack of Cold)----Mahuang Decoction Qi deficiency of lung and spleen. ----Yupingfeng Powder Xu but not on the exterior. 2016/11/5 Tianfang Wang BUCM 6Two conditions are called exterior deficiency syndrome habitually. • Exterior Syndrome of Wind-Cold （Attack of Wind）----Guizhi Decoction On the exterior but not Xu. Compare to Exterior Syndrome of Wind- Cold (Attack of Cold)----Mahuang Decoction • Qi deficiency of lung and spleen. ----Yupingfeng Powder Xu but not on the exterior. 2016/11/5 Tianfang Wang BUCM 6