Abstract:Baihu decoction formula is a kind of prescription based on Baihu decoction,which is composed of Yangming meridian or with other syndromes,it′s the addition or subtraction or combination of Baihu decoction.In ancient times,there were abundant methods of post medication adjustment in the medical records of the Baihu decoction formula.Through further investigation of 20 medical records which with post medication adjustment,it was known that the adjustments were classified into three categories:post medication diet,diet taboos and environmental adjustment,and there were three aspects of attaching importance to body fluid care,clearing the remaining fire in the stomach,preventing evil and strengthening the healthy Qi.In modern application,firstly we should strengthen the emphasis on the post medication adjustment of the Baihu decoction.Secondly,according to the changes of the times,we should enrich the diversity of post medication adjustment and abandon unreasonable ways.Thirdly,we should apply various kinds of adjustment methods on the basis of syndrome differentiation and treatment.