He once taught in Jinan No.56 Middle School, and was a special math teacher in junior high school. I once gave a lecture on junior high school mathematics in Jinan Education TV Station, and I have a unique foresight and judgment on the test sites and questions of the senior high school entrance examination. He has repeatedly commented on the examination papers of senior high school entrance examinations over the years and participated in the compilation of several junior high school mathematics textbooks, which has a certain influence in the national junior high school mathematics education circle.