Medicine is a branch of traditional Chinese academy，the way of its knowledge inheritance shows closed features whenever from the pre-Qin period to the Han Dynasty .Sui and Tang Dynasties is the development period of traditional Chinese medicine，the formation of the national medical education system，makes the medical knowledge of the pipeline greatly widened，it was a big change that scholars learned the knowledge by themselves，Traditional medical knowledge inheritance depends on the classics，from the composition of medical knowledge，there is a clear division from prescription to classic，Sui and Tang dynasties can be described as the evolutionary period which medical classics become more standardized and develop into institutional knowledge. The knowledge of prescription became more important than medicine classics，scholar is keen on prescription knowledge. In the official and scholar's promotion，the prescription of the development shapes the way of Medical knowledge Transmission in Song dynasties.