On August 1, 1929, the Shanghai Anti-Imperial Alliance was established. On August 1, 1929, the Shanghai Anti-Imperial Alliance was established. It was the anti-Imperial patriot mass group under the leadership of the Communist Party of China. In the first half of the year, under the leadership of the Jiangsu Provincial Commission, the anti-Japanese Alliance, the Ideological Society and other patriot groups jointly launched the preparations for the establishment of the Shanghai Anti-Imperial Alliance, serving as the main head of the Pan-Han year. The alliance has the fundamental purpose of opposing imperialism, and any group or individual that agrees with the purpose can participate.