Abstract：The article, combining with Max Weber's three kinds of ideal types of political legitimacy, explains legitimacy of traditional politics of China from two sides: One, from the point of construction of political philosophy, traditional politics of China is a political form of rule by moral establishing its legitimacy basis on ethics and moral which becomes the representative of rule of tradition. The other, from the point of political operation state, it represents a rule of charisma which integrates ethical model with political authority. At last, to discuss history legitimacy and disadvantages legitimacy of traditional politics of China and its three differences with modern political legitimacy, the article points that ethics and moral construction of legitimacy of traditional politics turning to modern jurisprudence construction is necessary and dealing with both sides' relations also cannot be ignored.
