When the national constitution and the constitution of the Communist Party of China limited his life-long dictatorship, Mao Zedong wanted to overthrow these two rules. He wanted to engage in endless class struggle, to "make a reasonable rebellion", "to cause chaos in the world" and "to bombard the headquarters". He used the supreme authority established by the CPC for many years, and used the conditions of capital Beijing, where is the political center, cultural center and gathered the universities and middle schools, he launched the "Cultural Revolution" and mobilize the "Red Guards" of young students, who are not deeply involved in the world, vigorously revolt first, they were given free rides, meals and accommodations to carry out the so-called "revolutionary tandem" to ignite his rebellious spirit in Beijing throughout the country. But the success of great events depends on the broad working class. Later, Mao intended to shift the focus of the Cultural Revolution to cities such as Shanghai and Wuhan, relying on the vast number of industrial workers. Shanghai Diesel Engine Factory is a nationwide first-class modern large-scale civil machine manufacturing plant. The rebellious activities of the factory became a focus of the struggle for power in Shanghai Cultural Revolution. This book, based on pictures, newspapers and relevant materials, recreates many thrilling large-scale fighting incidents in Shanghai Diesel Engine Factory, reflecting a typical scene of Shanghai's cultural Revolution fighting. On August 4, 1967, Wang Hongwen, deputy director of The Shanghai Revolutionary Committee and commander of the "Shanghai Workers' Revolutionary Rebellion General Headquarters", directed 200,000 people of the "Workers' Revolutionary Rebellion General Headquarters" to annihilate the "Revolutionary and Rebel Joint Command" of the Shanghai Diesel Engine Factory. Then a few days later, Wang Hongwen』s "Workers' Revolutionary Rebellion General Headquarters" arrested and eliminated the Shanghai Jiaotong University's mass rebel organization "Quanxiangdong"("All to the East"), which was an ally of the Diesel Engine Factory 's "Revolutionary and Rebel Joint Command". Mao Zedong watched the violent fight live on TV in Shanghai and said, "good fight!" He also said, "This is confusing the enemy and training ourselves!"