1996.3 ——1997.7 Full-time study in Law School of Jilin University.
1997.9—2000.4 Full-time graduate student of Law School of Jilin University, with a master's degree in criminal law.
From September 2003 to June 2006, he was an on-the-job doctoral student at the Law School of Jilin University, and received a doctorate in criminal law.
1986.7 ——1996.3 Inner Mongolia Normal University for Nationalities (now Inner Mongolia University for Nationalities) served as teaching assistant and lecturer.
Since April 2000, he has served as a lecturer, associate professor and professor in the Law Department of the School of Political Science and Law of Northeast Normal University.
Head of criminal law discipline, Northeast Normal University.