“轻可去实”一词源于南北朝北齐徐之才的《药对》。徐氏所言“轻剂”，指麻黄、葛根等轻扬宣散、解表发汗一类方药。后世医家对这一治法多有心得体验，又各见所长，不断拓展了“较可去实”之内涵。如金元李东垣治脾胃病以治法轻巧、组方灵活而著名，用药每味不过数分或一、二 The word “light can be de facto” originates from the “Drug Pair” of Xu Zhicai, who was in the north and south. Xu said that “light agent” refers to ephedra, puerarin, etc. Qingyang disperse, resolve sweating formula. Later generations of doctors have had a lot of experience in this governing law, and they have seen each other’s strengths, and have continuously expanded the connotation of “more defeasible”. For example, Jin Yuan Li Dongyi cures the spleen and stomach with a light and flexible regimen and is famous for its flexible and flexible regimen.