Long-term research and education in new product development and development, second-hand car appraisal and evaluation, automotive product marketing; in recent years, in auto parts manufacturing and process control, automotive products e-commerce solution research, used car appraisal evaluation and business model Research, automotive aftermarket tangible and intangible product development and consulting and other fields combined with commissioned research. The first author published more than 30 papers in the core journals. The first author has four monographs, six national invention patents, and eight utility model patents. For many years, he has been teaching the school's "Automobile Theory", "Hydraulic Servo Control", "Modern Automotive Electronics and Automotive Electrical Appliances", "Used Vehicle Appraisal and Evaluation", "Automobile Performance and Evaluation" and other courses. In the past 20 years, he has completed more than 40 large and small projects as the project leader. The products involve new product design and development, component technical transformation, service product development, overall solution for used cars, and optimization of operation of automotive aftermarket projects. Some products and projects have produced enormous social and economic benefits. In recent years, he has also been responsible for or participated in the formulation of a number of automotive performance tests, used car evaluations, used car operating access, automotive aftermarket technical specifications and industry standards. Responsible for and participate in the formulation of professional qualification standards related to the used car and automobile aftermarket commissioned by the Ministry of Human Resources and Social Security, Shanghai Municipal Bureau of Human Resources and Social Security, Shanghai Municipal Administration of Industry and Commerce, Shanghai Transportation Bureau, China Automobile Dealers Association, etc. And training work.