1920, China * * * membership group was established in Shanghai to carry out party building activities. 1921July was elected as the secretary of the c.o. at the first national congress in China. 1925 led the May 30th Movement. In the later period of the first revolutionary civil war, he made a serious right capitulationist line mistake, which led to the failure of the revolution. 1927 was removed from the post of general secretary at the August 7th meeting of the Communist Party of China. Later, he insisted on the national conference movement and workers' movement centered on the city, opposed the armed struggle in rural areas, and organized trotskyite organizations. June 1929, 1 1, was deported. Later, the Trotskyite organization "Proletarian Society" was established in Shanghai, and the publication "Proletariat" was published to publicize Trotskyite's views. After the outbreak of War of Resistance against Japanese Aggression,