Yu Daoshan’ work Yi Xue Tong Ling is a very good Chinese medical material. Its contents include the foundation of TCM, diagnosis of TCM and prescription of TCM. The discussion on the content and form also has his own unique feature, it’s based on the classic, but different from the classic. The book contains a lot of clinical experiences of Yu as well as the understanding of the classic, and it has certain academic value, the book has an important significance on the modern Chinese medical education and textbook writing.