Quality management, production and service system optimization, computer-aided management and decision-making. He presided over the major project 1 of the National Natural Science Foundation, 2 general projects of the National Natural Science Foundation, 3 provincial and ministerial scientific research projects, and more than 10 projects of universities and enterprises. Participated in many national 863 projects, 985 projects and natural science foundation projects. He has published more than 100 academic papers, including IEEE Transactions on Systems, People and Cybernetics, Part A: Systems &; Humanity, International Journal of Production Economics, International Journal of Production Research, Computer Methods and Procedures in Biomedicine, and Total Quality Management. Business Excellence, Computer Aided Design, Robotics and Computer Integrated Manufacturing, published nearly 20 high-level papers in internationally renowned magazines such as International Journal of Advanced Manufacturing Technology, including more than 10 for SCI/SSCI and more than 30 for EI/ISTP. He has served as the organizing committee of many international conferences and the judge of many international magazines. Senior members of IEEE, ASQ, POMS and CAQ.