| As one of the eight democratic parties, the Chinese Democratic Alliance has different forms of cooperative relations with the Chinese Communist Party during its development. The main purpose of this paper is to analyze from the perspective of historical evolution before the founding of the Chinese Democratic Alliance and the history of the Chinese Communist Party cooperation, while focusing on the analysis of the Chinese Democratic Alliance after new China established history of the evolution of Chinese Democratic Alliance and the Chinese Communist Party cooperation relationship during this period, mainly to Chinese Democratic Alliance dissolution for nodes in two stages before and after the comparative study.Chinese Democratic Alliance set to Chinese Democratic Alliance dissolution during this period, due to the rise of the national contradiction between China and Japan for domestic social principal contradiction; in the face of national calamity, the Kuomintang government is reactionary tendencies; China Democratic League and the Communist Party of China in the pursuit of political common democracy, the two sides in politics, organization and public opinion to expand the cooperation. Chinese Democratic Alliance in cooperation in the process of the characteristics of this period is mainly expressed in the Chinese Democratic Alliance’s political stance is neutral and is based on certain events and the Communist Party of China’s cooperation, also opposes the armed struggle to solve the nation’s problems. However, in 1947 October, the Kuomintang government was forced to disband, which became an important turning point in the history. Thereafter in under the influence of Chinese Communist Party ’s united front policy guidance, Kuomintang atrocities and Chinese Democratic Alliance’s own understanding of the improvement of Chinese Democratic Alliance in political and military and the Communist Party of China launched mutual aid and cooperation, and in this period the Chinese Democratic Alliance in collaboration with the Communist Party of China presents some new characteristics: mainly in abandon neutrality, open cooperation with the Chinese Communist Party; give up the peace talks, advocates armed struggle; and publicly acknowledging the Chinese Communist Party leadership.Through the comparative study, intended to Chinese Democratic Alliance and the Chinese Communist Party cooperation relationship between the evolution of thinking, analysis of practical significance in the evolution of this partnership. |