Li Xiangke: Master of Mathematics in Peking University, Doctor of Economics in China Renmin University. At present, he is an associate professor in the Finance Department of China Renmin University and a senior researcher in the Institute of Finance and Securities of China Renmin University. Go to the City University of Hong Kong for cooperative research. Mainly engaged in the quantitative analysis of the securities market, I have unique views on the applicability of many mathematical models to invest in China stock market. He has written or translated financial mathematics, securities investment, securities investment analysis, investment fundamentals and other works, and published many papers on securities secondary market prediction analysis and investment analysis in related publications. Participate in the annual report of China Capital Market Forum.