Mei Shi fang() is a lost medical prescription book. Its title came from the "book of classics and history" , a chapter of Zhenglei Bencao (, Collected Classified Materia Medica). 117 pieces of lost articles were preserved in the book. In addition to Zhenglei Bencao, a total of 50 kinds of medical books explicitly quoted some of the lost articles in Mei Shi Fang. Among them, 38 kinds of medical books did not exceed the scope of the articles of Mei Shi Fang cited in Zhenglei Bencao, 12 kinds of medical books contained the articles of Mei Shi Fang which did not quoted in Zhenglei Bencao. It is speculated that Mei Shi Fang may still exist in the Yangtze River basin from 1552 to 1578. In terms of the existing articles of Mei Shi Fang, it has academic origin with Zhouhou Beiji Fang (, Handbook of Prescriptions for Emergency).
《梅师方》是亡佚医方书，其书名出自《证类本草·所出经史方书》，《证类本草》保留其佚文117条。除《证类本草》外，共50种医书明确引用《梅师方》部分佚文。其中38种医书未超出《证类本草》引《梅师方》佚文范围，12种医书所引《梅师方》佚文为《证类本草》所未载，以此推测《梅师方》在1552—1578年间的长江流域有可能还存世。就《梅师方》现存的佚文而言，其内容与《肘后备急方》有学术渊源的关联。.
Keywords: Mei Shi Fang; Zhenglei Bencao; lost medical books; textual research on lost articles.