1975 graduated from Shandong university of technology majoring in internal combustion engine, 1978 transferred to our school to teach, 198 1 studied automobiles and tractors in Jilin university of technology for one year. Has been engaged in teaching and research of automobiles and tractors, presided over 2 provincial scientific research projects, won the third prize of provincial scientific and technological progress 1 time, and won 65438 national patents.