Taoist doctors were the backbone of Taoism; and shouldered the responsibilities and duties which treating an illness with the dissemination Taoism; they had made the remarkable contributions for China traditional medicine.

The core of the medical ethics standard system is the value assumption of the medical ethics.

With a systematic scrutiny and reorganization of the governmental and physicians' medical ethics, the thesis investigates the medical ethics development in Ming and Qing Dynasties (1368 - 1840).

Medicine,medical ethics mesh with each other,is the basic feature of medical advances,The scope of medical ethics are ethics,its long history of Chinese medicine,has a long history.

The medical morality in Central Chinese Area was a new type of revolutionary humanism,which was nurtured and developed in the revolutionary melting pot by the contribution and sacrifice of innumerable revolutionary medical personnel.

The reason is connected with misunderstanding of the essence of medical morality.

In order to make TCM more understood,the paper describes the cognition field,cognition process,the scope and network and the practice goal of Chinese medical knowledge,as well as some special topics such as the yin-yang and five elements,the visceral outward manifestation and the channels and collaterals,the pathogeny,the rule of treatment and material medica,etc.