中药材大多数来源于天然的植物、动物及矿物,其气味常具有一定的“偏性”,如太寒则伤阳,太热则伤阴,太酸则损齿伤筋,太苦则伤胃耗液,太甘则生湿助满,太辛则损津耗气,太成能助痰湿。加工炮制,就是通过外部的条件,使药性发生变化,不至“太过”或“不及”,克服药物偏 Most Chinese herbal medicines originate from natural plants, animals, and minerals, and their odors often have a certain “bias”. For example, too cold is to hurt the sun, too hot is to hurt the yin, too much acid is to hurt the teeth, and too bitter is to hurt. Stomach consumption of liquid, too Gan is to help full of wet, too Xin is loss of gas consumption, Taicheng can help dampness. Processing is to change the drug’s properties through external conditions, not to “too much” or “too late” to overcome drug biases.