2. 1990 was promoted to associate professor.
3. 1994 was promoted to professor, and 1996 was hired as doctoral supervisor.
4. In 2000, he served as president of Plant Protection College, director of key laboratory of Ministry of Education, member of academic committee of the school, member of academic degree evaluation committee of the school, member of professional title committee of the school, and director of entomology research institute of the Ministry of Agriculture.
5.200 1 Director of Research Center for Plant Protection Resources and Pest Control and Director of Key Laboratory of Ministry of Agriculture.
6. In 2004, he served as the vice president of Northwest A&F University, and concurrently served as the director of the school library, the director of the school agricultural science and technology exposition park and the director of the insect museum.