Abstract: From the perspective of constitutional history,as a tool of cliques struggle or as a civil society organization,the political party had been considered as hostile or disregarded by constitution practice.Accompanied with the appearance of the party-state phenomenon and party alienation phenomenon,the political party has been taken into constitutional system by means of legislation practice and justice practice,which has become the trends in the world.From a logistic point of view,the political party is not only a civil society organization based on freedom of association of the citizens,different from the ordinary civil organization,it also has constitutionalism function in the system of constitutionalism system for the characteristics of quasi-state organization and quasi-public authority of party power,the political party shall be granted the public law status of constitutional organization,and become the object of constitutionalism standardization.

Key words: political party;constitutionalism;constitutionalism of political party, constitutional organization