1980.07- 1984.04, investigator of Interpol Brigade of Mishan Public Security Bureau, Heilongjiang Province;

1984.04- 1987.07, Deputy Chief of Criminal Police Brigade of Mishan Public Security Bureau, Heilongjiang Province;

1987.07- 1990.06, captain of Interpol Brigade of Mishan Public Security Bureau, Heilongjiang Province;

1990.06- 1993.06, Deputy Director of Mishan Public Security Bureau, Heilongjiang Province;

1993.06- 1998.07, Deputy Director of Criminal Investigation Department of Heilongjiang Provincial Public Security Department;

1998.07- 1999.03, Director of Economic Investigation Department of Heilongjiang Provincial Public Security Department;

1999.03-20 10.06, Chief of Criminal Investigation Corps of Heilongjiang Provincial Public Security Department;

Since 20 10.06, he has served as deputy mayor of Peony Municipal Government of Heilongjiang Province and director of Municipal Public Security Bureau.