Xiangyang in Peking University Mathematics Department is not a liar. Xiangyang 1983 was admitted to the Department of Mathematics in Peking University, and 1985 entered the Department of Probability and Statistics as the president of the Student Union. China's famous exam research experts and exam preparation guidance experts took the lead in putting forward the theory of scientific exam preparation, and put forward the orientation of teacher coach and student athlete for the first time. Known as the first person in China, he founded Beijing Xiangyang Hongru Education Technology Co., Ltd..