The Democratic centralism, Chinese communist traced up the soviet regime, is not only the main principle of communist party organizing in china but written on the Chinese constitution for directing the public behavior. Since china communist becoming the national ruler, comrades had devoted their efforts to make sure of the c Chinese communist party could be the only one political party ruler for eternity. The highest political organization is the people representative convention what adapts the way of one that combines the congress and executive department. No matter what the communist party¡¦ s political power or government¡¦ s executive power all have to obey the principle of the democratic centralism converging the political power from basic comrades and local parity organizations to top leadership. So the democratic centralism is not like western democratic, the minor obeys the mass, but the political powers are together upon the leadership. Even though the democratic centralism is helpful to maintain the party¡¦s assertion for the china communist party, the only one political ruler party. Because of political power of leadership has not been restricted resulting in what the regime legitimately has not been convicted. Mao was dead after the china culture revolution had ceased has left the china disarrangement and disable Chinese communist party. All things seemed went to bright side after the new successor, Den, held the leadership and drove whole Chinese economy and political more openness. Since 1978, China goes evolution and keeps the openness policy with two ways, economy and political. The time of planning economy was committed to replace the function of socialization, national distribution, curbing the production resources, all factors depended the Chinese communist party regime no matter what is labors in the city or the farmers in the country. Since openness policy, the marketing economy had replaced the panning economy becoming the main policy and the regime ceased to play the role in distribution of the national resources. People have to make life not depend the regime but maintain the right of political and fight for the political participation. Chinese communist party is afraid of losing her regime, therefore not dare to react the provoking of civilian political demand and consciousness. The dilemma situation turns the discrimination of content and process time table in political and economy comes up. People discontent force the Jiang secretary general to announce¡§ the inner party democracy is the spirit of communist party, demonstrating the public democracy ¡§ for response the requiring of people. Because of the regime losing the ability of introspecting and reacting the political power centralization make a tough problem Chinese communist have to face and try to solute. Through the remedy way of conciliation the relationship between nation and society intent to maintain the one political party authority and relieve regime¡¦s political crisis. Even though, the regime does suffer the turbulence of fighting between the conservative school and evolution school and could not conglomerate whole schools advance forward peaceful. So the regime uses the tiny political evolution in executive department as a buffer of comprising democracy evolution and defensive one party authority. This dissertation try to find out public democracy by the performance of Chinese communist inner democracy through the party¡¦s leader system, decisive, supervising, election, talent selection and political power inherit. The study find out Chinese communist party inner democracy spot on the perfect of executive system for up grade the executive ability and maintain the legitimately. As we knew there are no any relation between the party inner democracy and public democracy.