He is currently the vice president of Giant Education Group and the principal of Beijing Giant School. 1998 won the first prize of the National Junior Middle School Mathematical Physics League; 200 1 excellent graduates from the national experimental class were sent to the physics department of Peking University and obtained a master's degree from the Institute of Semiconductors, Chinese Academy of Sciences; Ten years of teaching experience in competition mathematics education, gold medal coach of Hope Cup; Won the 2009 Beijing Private Education Teacher Garden Award and the 2009 Haidian District Excellent Educator; He has taught in Renhua School, Zhongguancun No.1 Primary School, Zhongguancun No.2 Primary School and the Primary School Attached to the National People's Congress. As the first author, he compiled the Detailed Explanation of the True Questions of the National Junior Middle School Mathematics League, the Dictionary of Practical Problem Solving in Primary School Mathematics and the Dictionary of Practical Problem Solving in Primary School Mathematics.