The people of Mencius thought is based on good theory of human nature, represent such ideas as' the people for Nation foundation, The important that the people more than sovereign, respect the will of the people, comply with the aspirations of the people, love the people and protect the people, pay attention to the people's livelihood, revolutionary theory', practice the rule of moral, and the rule of moral is a set of philosophy of bringing up. Pass the people–centered and western democratic comparison of political ideology especially, from its difference, understand the two attribute is different; The people–centered is thought of a kind of rule of moral, and the rule of moral is the politics sent in one kind, reflexive conscientious emphatically, in order to fulfill people's obligations, Do not let external interrelation be maken limit, pay much attention to politeness more than law of outside', it is a unable reason for developing western democratic politics. The people–centered of Mencius thought, although there is its limitation of objective, its creative contribution, spiritual with the morals given play to by it, The morals spirit that like this Sovereign politics give play to, is good at melting, exceeding the function that melt, make past dynasties monarchy inclined to enlightenedly autocratically and moving towards absolute dictatorship, enable contemporary democratic politics to avoid the corruption of rotten evil and social conduct.