Since teaching, I have brought out three top candidates in the college entrance examination of arts and sciences, and 46 students have been admitted to Tsinghua and Peking University. The students I tutored participated in the National Senior High School Mathematics League, and 12 1 students won the first, second and third prizes. Among them, three students participated in the National Winter Camp Mathematics Competition on behalf of Ningxia, and were sent to Tsinghua University, Zhejiang University and China University of Science and Technology respectively. Dozens of published and award-winning papers.