Diet is a precious diet spectrum in Yuan Dynasty, and it is also the earliest existing ancient monograph on nutrition and health care, with high academic and historical value. The book has three volumes and about 31,200 words. The content can be roughly divided into the following three parts: first, the basic theory of dietotherapy, such as health care taboo, pregnancy and lactation taboo, drinking taboo, four seasons' suitability, five flavors' deviation, food interest, contradiction, poisoning, etc. First, there are 153 kinds of palace dietotherapy spectrum and 6/kloc-0 kinds of medicinal diet prescriptions, as well as 24 kinds of so-called fairy bait methods; One is Edible Materia Medica, including more than 230 kinds of rice grains, animals, fish, fruits, vegetables and materials, with 168 sketches attached. There are 2 1 beautiful illustrations in the book, which are ancient line-drawing prints. The compilation of this book was directly supported by the great scholar Ji Xian and Zhao Gongchang Planci.