Abstract: The legitimacy requests the first agreement of the ruled,the approval of social valuable idea,and it is related to the legal nature,the validity and the citizen's right and voluntary.For any political rule,the legitimacy is basic resource for the effective rule.The crisis of legitimacy means to the losses of the loyalty of the ruled,and it will bring the changes to the nation and the social basic structure.Although its manifestation is complex,there are many deeply reasons to induce it,and it brings multipl...