1987.7- 1990.7 LLM, School of Politics and Law, Northeast Normal University
1993.9- 1994.2 for further study in the Law School of Jilin University.
April 2000 -200 1.4 The Ministry of Education sent an exchange researcher to the Faculty of Law of Aichi University in Japan.
2002.9-2008.7 Doctor of Law, Law School, Jilin University
1985.7—— teaching assistant, lecturer and associate professor in the School of Political Science and Law of Northeast Normal University, 200 1 promoted to professor; In the meantime, he served as the head teacher of the fifth public security teacher class jointly established by the Ministry of Public Security and Northeast Normal University in China, and the vice president and dean of the School of Political Science and Law.
The first three years of big cherry planting are its young tree period, and the plants are mainly vegetative growth, generally