With the triumphant development of the Liberation War, the question of what kind of country to build has been put on the historical agenda. The Communist Party of China, chiefly represented by Mao Zedong, combined the theory of the dictatorship of the proletariat with the specific realities of China. In the debate with the KMT and the national bourgeoisie, the upper pettybourgeoisie and its intellectuals, they set up “ People's Democratic Dictatorship. This issue is based on a major ideological issue set to change the destiny of the people, consolidate the regime, and maintain the longterm security of the country. It concerns both the state and the government. This issue adopts threedimensional advancement methods such as policy adjustment, public opinion counterattack, and multimedia focus, so that the founding of the Communist Party of China has become a value consensus recognized by all sectors of society and has risen to the country's fundamental political system. It has laid a solid foundation for building a socialist national system and national governance system with Chinese characteristics.