Director of the First Expert Committee of shishi city Packaging and Printing Technology Innovation Strategic Alliance, member of the jury of Fujian College Students' Mechanical Innovation Design Competition. 1980 1 Graduated from Inner Mongolia University of Technology, majoring in chemical machinery, and taught in the same year. 1986.9 ~ 1987.7 was admitted to the teaching assistant class of mechanical principle in Tsinghua University. Since teaching, I have taught courses such as mechanical principle, mechanical design foundation, AUTO CAD, engineering graphics and innovative mechanical design. In recent years, a number of scientific research and educational reform projects have been completed, and two longitudinal projects of Beijing Municipal Education Commission have been completed, namely, Design and Research of Paper Feeding Law and Paper Feeding Mechanism of High-speed Multicolor Offset Press and Development and Research of Paper Feeding and Control System of High-speed Multicolor Offset Press. Research on torsional vibration testing system of typical rotating shaft of sheet-fed printing machine, a key construction project in Beijing. I have been engaged in mechanics teaching and scientific research for a long time. In recent years, more than 40 papers have been published (3 by EI search). In recent years, he has been the editor-in-chief of Course Design Guide of Mechanical Principles and Design and Analysis of Practical Mechanisms, and participated in the compilation of teaching materials such as Mechanical Drawing, Mechanical Principles, Innovative Design of Machinery, Advanced Mechanism and Comprehensive Design of Mechanical Foundations.