On January 17, 3,Cai YuanpeiDue to the Director of EducationPermit toInterference with judicial independence and illegal demand for the arrest of Peking University part-time teacher and finance chiefRobin is doing., resigned as president of Peking University angrily. The resignation pointed out: "Yuan Pei witnessed the difficulties and was saddened by the hopeless hope of political clarity. He couldn't bear to live with collusions. He especially couldn't bear to support the educational mess under such an education authority, so as to attract condemnation from the people of the country and the good conscience. "Cai published an announcement in the Peking University Daily that he would no longer go to school to do business." On the 18th, all students at Peking University held a conference and passed resolutions such as "expelling Peng's name","retaining President Cai", and "warning Congress." On the 19th, Peking University students joined forces with more than 1000 students from the Legal and Political Schools, Medical Schools, and Industrial Schools to petition the House of Representatives to prevent Peng Yunyi from voting for approval, and strongly urged Cai Yuanpei to return to school to be reinstated. He was surrounded and beaten by military police and police. More than 300 people were injured.