Mainly engaged in advanced precision transmission processing technology, digital machining theory and technology of space meshing surface, transmission tribology theory and application technology, renewable energy efficient green transmission equipment technology, large-scale numerical control equipment technology. He has published more than 20 papers in Journal of Mechanical Engineering and Journal of China Mechanical Engineering, and won the second prize of scientific and technological progress of the Ministry of Aviation and the third prize of scientific and technological progress of Shenyang. At present, it undertakes a number of national natural science foundation, national 836 projects and national defense pre-research projects.