19 13 After graduation, I went to Japan to study politics at Waseda University in Tokyo. In the turbulent era of war and hard life, Li Dazhao developed a feeling of worrying about the country and the people and a calm and strong character from an early age. 19 15, Japanese imperialism put forward "Article 21" to destroy China, and Li Dazhao actively participated in the protest struggle of students studying in Japan. He electrified "Tell the National Father" to spread all over the country and became a famous patriot. "Iron shoulders bear morality and write articles skillfully." 19 16 after Li Dazhao returned to China, he went to Peking University as a librarian and professor of economics, actively participated in the emerging new culture movement and became a member of it. A gunshot of the October Revolution brought Marxism–Leninism to China. The victory of Russian socialist revolution greatly encouraged and inspired Li Dazhao. Based on New Youth and Weekly Review, he successively published a large number of famous articles and speeches about the October Revolution and Marxism-Leninism, such as Comparative View of French-Russian Revolution, Victory of Common People, Victory of Bolshevism, My View on Marxism, Re-discussion on Problems and Doctrine. He clearly criticized reformism, actively led and promoted the development of the May 4th patriotic movement, and became the pioneer of capitalism in China and the first person to spread Marxism in China. 1920 At the beginning of the year, Li Dazhao met with Chen Duxiu and held activities in Beijing and Shanghai respectively to establish the China * * * Production Party. In March of the same year, Li Dazhao organized the first seminar on the China of Marxist theory in Peking University, which brought together a group of young intellectuals with * * * production ideas, such as Deng Zhongxia, Gao, Zhang, Huang Rikui, He Mengxiong and Luo, to prepare for the founding of the Party. Li Dazhao also met with many international representatives of * * * production in Beijing to discuss the establishment of China * * * production party. In the autumn of the same year, he led the establishment of the early organization of the * * * production party and the Beijing Socialist Youth League in Beijing, and echoed with Chen Duxiu in Shanghai, actively engaged in activities, expanded publicity, developed organizations, and actively promoted the establishment of the national * * * production party organization. "Chen Bei and Lee, Meeting the Party" has become a much-told story in the revolutionary history of China. 192 1 in July, the first national congress of China * * * production party was held, and the establishment of China * * * production party was announced. Since then, China's revolution has taken on a new look. Li Dazhao and Chen Duxiu became the main founders of China * * * Production Party. After the establishment of China * * * Production Party, Li Dazhao was responsible for the overall work of the Party in the north, and served as the director of the Northern Division of the Secretary Department of China Trade Union. At the third and fourth party congresses, Li Dazhao was elected as a member of the Central Committee. From 1922 to the beginning of 1924, Li Dazhao frequently traveled to and from the north and south of the great river and held talks with Sun Yat-sen on behalf of the * * * production party for many times. He worked hard to establish a revolutionary United front and did a lot of work.