Building a modernized socialist state governance system with Chinese characteristics has become a research front of current studies,but its inevitability,necessity,main contents,and other main problems have not been systematically explored.According to traditional cultures,current situations,and future requirements of state governance,this paper analyzed the inevitability and necessity of establishing this governance system,defined the concept of this governance system,discussed its main contents,summarized its basic characteristics,and proposed some main paths to establish such system.