1988, joined the Chinese Foreign Service. 1988-96, Assistant Economist, Economist, Deputy Director of the Operation and Audit Office, Beijing Service Bureau for Diplomatic Missions. 1996-97, Second Secretary, Representation of the People’s Republic of China to the Sino-British Joint Liaison Group. 1997-98, Second Secretary, Office of the Commissioner of the Ministry of Foreign Affairs of the People's Republic of China in Hong Kong SAR. 1998-2004, Second Secretary, Deputy Division Director, Division Director, Policy Planning Department, Ministry of Foreign Affairs (MFA). 2004-09, Division Director, Counsellor, Policy Planning Department, MFA. 2009-12, Counselor, Deputy Director-General, Policy Planning Department, MFA. 2012-14, Deputy Director-General, General Office, MFA. 2014-17, Ambassador Extraordinary and Plenipotentiary of the People's Republic of China to the Kingdom of Bahrain. Since 2017, President of the China Institute of International Studies.