1. The history of the Communist Party of China is the entire history of the entire development process of the Communist Party of China since its establishment on July 23, 1921. It mainly includes the situation of the previous congresses of the Communist Party of China, the continuous improvement process of the Party Constitution, the organizational construction and development of the Party in different periods, the development process of the Party leading the people of all ethnic groups in the country to carry out revolution and construction, and records of all historical facts. .

2. The main stages in the history of the Communist Party of China: the Great Revolution stage, the Agrarian Revolution stage, the Anti-Japanese War stage, the democratic revolution stage, the new democracy stage, the socialist construction stage, the Cultural Revolution stage, the 11th The new era of socialist development after the Third Plenary Session of the CPC Central Committee, the stage of building socialism with Chinese characteristics, and the new stage of reform, opening up, and modernization.

3. The birth of the Communist Party of China is an objective need for the development of the Chinese revolution and is the product of the combination of Marxism and the Chinese workers' movement. After the Opium War in 1840, it became a semi-colonial and semi-feudal society. From the Opium War to the May Fourth Movement, the Chinese people fought heroic and unyielding struggles against imperialism and feudal rule. The main ones were the Taiping Peasant War and the Revolution of 1911 led by the bourgeoisie, but they all failed one after another.

4. History has proved that China’s peasant class and national bourgeoisie cannot lead the democratic revolution to victory due to their historical limitations and class limitations. With the invasion of imperialism and the development of modern industry, the proletariat emerged in China, and it continued to grow. By 1919, the number of industrial workers had grown to about 2 million.

5. The emergence and development of the proletariat laid a class foundation for the establishment of the Communist Party of China. The victory of the Russian October Revolution in 1917 brought Marxism-Leninism to China, allowing China's advanced elements to find the truth about saving the country and the people. The widespread spread of Marxism-Leninism in China laid the ideological foundation for the establishment of the Communist Party of China. The May 4th Movement that broke out in 1919 promoted the combination of Marxism and the Chinese workers' movement, and made ideological and cadre preparations for the establishment of the Communist Party of China. At the beginning of 1920, Li Dazhao, Chen Duxiu and others began to explore and contemplate the establishment of the party.