1, the stage of the great revolution (1921-1927)-the democratic United front;

2. The stage of Agrarian Revolutionary War (1927-1937)-the democratic United front of workers and peasants;

3. War of Resistance against Japanese Aggression stage (1937-1945)-anti-Japanese national united front;

4. The stage of the War of Liberation (1946-1949)-People's Democratic United Front;

Second, the socialist revolution and construction period (1950-1978)-the people's democratic United front;

Third, the new period of socialist modernization (1979 to present)-patriotic United front.

Extended data:

China's three great contributions and three great leaps have far-reaching influence. In his report, Xi Jinping emphasized that the great victory of the people of China led by China has enabled the Chinese nation with a history of more than 5,000 years of civilization to realize all-round modernization, and enabled Chinese civilization to glow with new vitality in the process of modernization. The 500-year-old socialist proposition has successfully opened up a correct road with high reality and feasibility in the most populous country in the world, and scientific socialism has given new vitality in the 2 1 century.