Wang Jinjin, professor, deputy secretary of the School of Science, is in charge of undergraduate management, and is also engaged in the teaching of advanced mathematics, linear algebra, numerical approximation, numerical analysis and calculation methods. In the past five years, he has published more than ten teaching papers, presided over two teaching and scientific research projects, won four teaching prizes, won two second-class prizes for school textbooks, and won five excellent teaching achievement prizes above second-class in schools. Social part-time jobs include: Deputy Director of Mathematics Teaching Committee of Shaanxi University; Executive Director and Deputy Secretary-General of Shaanxi Institute of Industrial and Applied Mathematics, Director of Mathematical Modeling Professional Committee; Member of the expert group of Shaanxi Division of the National Mathematical Modeling Competition for College Students; Standing member of the editorial board of Advanced Mathematics Research magazine.