1986.07— 1990.07, cadre of the Fifth Bureau of the Ministry of Public Security (during the period:1986.08—1987.1kloc-0/exercised in Haidian Town Police Station of Beijing Public Security Bureau);
1990.07—— 1992.09, Deputy Director of the Fifth Bureau of the Ministry of Public Security (period:1990.03 ——191.10);
1992.09 —— 1994.04, Director of the Fifth Bureau of the Ministry of Public Security (period: 1992.09—— 1994.04 seconded to the Central Comprehensive Management Office);
1994.04—— 1998.05, Deputy Director of the Secretariat of the Central Political and Legal Committee Office;
1998.05——2002.03, Director of the Supervision Department of the Office of the Political and Legal Committee of the Central Committee (period: 1998.09 —— 2000.06, Master of Laws in Peking University Law School);
2002.03—2003.05, Assistant Inspector of the Office of the Central Political and Legal Committee and Director of the Secretary Supervision Department;
2003.05—2005.07, Deputy Director of the Office of the Central Political and Legal Committee;
2005.07—2008.08, inspector and deputy director of the Central Political and Legal Committee Office (presiding);
2008.08—20101Director of the Political and Legal Team Construction Guidance Office of the Central Political and Legal Committee and Deputy Director of the National Training Center for Leading Cadres of Comprehensive Political and Legal Management presided over the work of the Central Leading Group for Law-related Litigation (period: 2009.03—2010.0/kloc-0
2010.11—2011.09, Deputy Secretary of the CPC Lanzhou Municipal Committee (director level);
2011.09 —— 2014.11Secretary of the CPC Gannan Tibetan Autonomous Prefecture Committee.