1982-1986: BSc degree, Lanzhou University, P. R. China
1986-1989: MSc degree, Kunming Institute of Botany, CAS
1989-1997: Research Assistant, Kunming Institute of Botany, CAS
1997-2006: Associate Professor,Kunming Institute of Botany, CAS
2006-2015: Professor, Kunming Institute of Botany, CAS
2015-now: Distinguished Professor, Kunming Institute of Botany, CAS
1999-2002: Manager of KIB Foreign Affairs Department, CAS
2002-2009: Deputy Director of Kunming Institute of Botany, CAS
2005-2009: Head of KIB Laboratory of Ethnobotany, CAS
2009-2012: Deputy Director of Tibetan Plateau Research, CAS
2012-now: Party Committee Secretary and Deputy Director of Kunming Institute of Botany, CAS