Deliberative democracy is not only the Chinese people's summary of China's historical experience, but also the urgent requirement of building China's political civilization. Strengthening democratic construction includes the establishment of inner-party democracy and the construction of people's democracy, and the promotion of people's democracy by inner-party democracy. The democratic politics of the consultative party and the deliberative democracy of the masses are an important part of people's democracy. In order to strengthen the construction of the ruling party, we must strengthen the construction of consultative democracy and promote the further development of people's democracy. This paper mainly analyzes the relationship between the construction of the Communist Party and deliberative democracy.