From the literature perspective to discuss the academic features of Hunan famous doctor CHEN De-mao Notes Shanghanlun.He advocated to correct the wrong binding but different from CHENG Wu-ji's "Three framework equal division",put forward that"the Wind and Cold was originally the same,YING and WEI could be divided into deep and shallow",had its unique.And,according to the different deep and shallow of Ying and Wei,to clarify the principle of the preparation of prescriptions,enriched the content of the theory of Chinese medicine prescription,but also had a wealt...