Executive director of the National Elementary Mathematics Research Association; Director of the National Inequality Research Association, winner of the third national "Young and Middle-aged Elementary Mathematics Research Award", reserve leader of the Mathematics Science Department of Daqing senior high school, backbone teacher of the city, member of the municipal mathematics expert group, and has long been committed to elementary mathematics research, especially inequality research. He has written 86 articles, including An Inequality Chain of Euler Inequality, and published them in core journals such as Mathematical Bulletin. An article was reproduced in full by the Information Center of Books and Newspapers of China Renmin University. 65,438+00 books have been edited or edited. He published 2 papers in public, and solved the problem 9 times in Mathematical Newsletter. In 2065, 438+03, he participated in the proposition work of the senior high school entrance examination in Daqing, and in 2065, 438+03, he served as the head of the marking group and marking consultant of the mathematics department of the senior high school entrance examination. During the Eleventh Five-Year Plan period, he presided over a provincial key project (project number JJB1211003, funding: 5000 yuan) and a municipal key project (project number DZ0601KLOC-0/.4). Presided over the "Twelfth Five-Year Plan" key project (No.:DB 12005). * * * Tutored the National College Entrance Examination of 98,99,01,02,05,08, 1 1, 13, and was appointed. The students he taught got 1 1 from Tsinghua and Peking University. The average math scores of the last two graduating classes are all above 135, two-fifths of the students scored above 140 in the math college entrance examination, and three students got full marks in the math college entrance examination.