1July 1992 to1September 1996, worked in the political department of Yunnan Police Academy.
1September 1996 to present, working in the investigation department of Yunnan Police College. Engaged in teaching and research.
From June 5438 to October 2002, he was appointed as an associate professor.
In June 2008, he was named a professor and awarded the rank of professional and technical third-class police Commissioner.
In May 2009, he was hired as a member of the Professor Committee, Academic Committee, Degree Committee and Teaching Steering Committee of Yunnan Police Academy.
In July 2009, he served as deputy director of the investigation department.
20 10 presided over the investigation department in March.
20 1 1 1, vice president of the institute of criminal investigation.
20 1 1 was elected as the leader of investigation specialty by the academic Committee of Yunnan Police Officer College in June.