On the morning of March 1, Hu Jinyan, secretary of the school party committee, went to the Jinjialing campus to attend a lecture. He came to the No. 1 Teaching Building and listened an unscheduled class. He listened to the "Monetary Finance" course in 408 classroom taught by Li Huijun, a teacher of the School of Economics. During the class, Hu Jinyan carefully watched the PPT and made detailed records of the teaching content, teaching methods and student performance.