On the second day after the May 4th Movement broke out in Beijing, more than 30 schools in Shanghai immediately called the Beijing government and newspaper jointly, calling it a sacred plan to preserve the nation. They are not the only ones, and vowed to follow suit to show justice. On May 7, more than 20,000 students from various schools in Shanghai and people from all walks of life gathered at the University of Technology outside the west gate to hold a national congress of solidarity with Beijing students to protest against the treason of Beiyang warlords. After the meeting, students and citizens held a large-scale demonstration with banners. On May 9th, to commemorate the National Shame Day, students from all walks of life in Shanghai were suspended, and the theater was closed for one day. From this day on, all walks of life in Shanghai began to boycott Japanese goods. In May 1 1 After the establishment of the Shanghai Student Federation, the Federation took various effective measures to mobilize the masses to boycott Japanese goods. Various business associations also held meetings to discuss ways to boycott Japanese goods. Shop assistants and workers stood up to supervise the shopkeeper to stop buying and selling Japanese goods. Printers and sewing workers refused to use Japanese paper and cloth, and dockers refused to unload Japanese ships. The boycott of Japanese goods began quickly. On May 19, Beijing students went on strike again, opposing the Beijing government's sabotage of the student movement. On May 26th, Shanghai Federation of Students convened more than 20,000 students from 52 schools to hold an oath strike meeting in the gymnasium of University of Technology. After the meeting, a grand parade was held. At this time, Beijing students who went south in batches also arrived in Shanghai one after another to join the ranks of Shanghai students, which greatly promoted Shanghai's patriotic movement in the United States. On the afternoon of June 4th, Shanghai students received an urgent telegram from Tianjin and learned that there had been an incident of arresting students in Beijing on June 3rd. They immediately sent an urgent telegram, took to the streets to give a speech, called for emergency assistance from all walks of life, and mobilized the business community to sign a strike from door to door. As the largest city in China and the city with the largest concentration of industrial workers, the working class in Shanghai took the lead in holding a large-scale strike on June 5th. For the first time in the struggle, the working class entered the historical stage as an independent political force and became the main force of the movement. First of all, workers in the third, fourth and fifth cotton mills in China and Shanghai and Japanese cotton mills went on strike. On the same day, the printing workers of Shanghai Commercial Press and Zhonghua Book Company also went on strike. From 6th to 8th, the strike continued to expand. Trams, machinery factories, iron works, silk factories, railway switchboard factories, British-funded, Japanese-funded factories and handicraft workers went on strike one after another. On June 9th, workers from the old shipyard of British businessman Ye Song Company, Rong Rui Machine Shipyard, Jiangnan Shipyard, various shipping companies, Japanese Textile Factory Wharf, Fork Pocket Japanese Textile Factory, Shanghai Electric Company, British American Tobacco Company and their affiliated printing plants, workers from Mobil in Pudong and two thermal oil depots in Asia, as well as drivers and cleaners in the whole city went on strike. On June 10, workers in Shanghai-Nanjing and Shanghai-Hangzhou railways and automobile workshops went on strike one after another. Traffic, land and sea traffic in Shanghai, the United States and abroad were cut off, and the strike reached its climax. Within a week, more than 50 factories and enterprises in Shanghai and 60,000 to 70,000 workers took part in the strike. The workers broke through the organization and concept of guilds and gangs, and went on an alliance strike for a unified goal, showing a clear political purpose. The workers said that the strike was for the country. Then quickly arrest and release these students. We express our anger at the traitors with the aim of awakening the people, awakening the hearts of the government and saving the disaster. Shanghai workers also held high the banner of saving the country by striking, carried out various patriotic activities, issued announcements, distributed leaflets and held large-scale rallies and demonstrations. Under the influence of students, working class, shops, cinemas, restaurants, banks, etc. Active publicity, first contact, first reaction. All walks of life in Shanghai stopped business and went on strike. Many shops put up slogans in front of their doors, such as the country is dying, they have no intention of doing business and saving students,

Businessmen in Nanjing, Ningbo, Xiamen, Zhenjiang, Wuhu, Wuxi, Suzhou, Hangzhou, Tianjin, Jinan, Tangshan, Anqing and Jiujiang went on strike. According to statistics, more than 22 provinces 150 cities across the country have gone on strike, which poses a great threat to the rule of imperialism and feudal warlords. On June 8th, the Shanghai Garrison sent an urgent telegram to the Beijing Municipal Government of Lu Yongxiang and Shenyin Changbao of Shanghai Island, saying that it had failed in three attacks. Struggle in Shanghai, like a single spark, can start a prairie fire. If you lose this, it will be a mess. On June 10, Tianjin chamber of commerce sent an urgent telegram to Beijing government again. Under the strong pressure of the people of the whole country, the Beijing government was forced to dismiss Cao Rulin and He on June 10. On the same day, Premier Qian Nengxun resigned. After learning that the three traitors were dismissed, all walks of life in Shanghai announced the opening of the market on June 12, and held demonstrations to celebrate the victory of the three major struggles. After that, the struggle between Shanghai and the people of the whole country focused on refusing to sign the peace treaty, until the representative of China refused to sign the Paris peace treaty, and the struggle won a great victory.