1982 graduated from xi University of Technology, where he taught from1July, 997 to1September, 984 to 1985, and studied postgraduate courses in the auxiliary class of basic mathematics of Shaanxi Normal University. He has served as deputy director of mathematics teaching and research section, director of basic department and dean of science college of Xi University of Technology. 1From August 1997 to February 2002, 65438 was appointed as the principal of Xi 'an Instrument Industry School of the Ministry of Machinery Industry. At the end of 2002, Xi 'an Instrument Industry School was merged into the University of Technology and became the president of the later Institute of Advanced Technology of Xi 'an University of Technology. From September 2004 to March 2005, he served as Director of Personnel Department of Xi University of Technology; In 2003, I studied in the National Institute of Education Administration 19 middle school class for three months. From March to October, 2005, he served as president of Shaanxi Railway Engineering Vocational and Technical College, and from March to October, 2005, he served as party secretary of Shaanxi Railway Engineering Vocational and Technical College.