Founder of the "big talk teaching method" for postgraduate mathematics, he has served as a lecturer in postgraduate mathematics in many well-known postgraduate training institutions. On 20 14, as the largest shareholder, he established a "geek of mathematics research", which was praised by many graduate students as a graduate mathematics lecturer who "explained knowledge above others and analyzed examples to the point". His logical thinking is meticulous and rigorous, and he is especially good at simplifying the complex and getting to the point. Published articles in several forums and post bars, which has a high reputation on the Internet.