1978 ——1980, pilot of China civil aviation second flight corps.
1980 ——1995, China General Aviation Taiyuan Company was the squadron leader, deputy battalion commander and battalion chief.
1995 ——1998, Deputy Director of Shanxi Provincial Administration of Civil Aviation Administration of China. Deputy General Manager of China General Aviation Company.
1998 ——1999, general manager of China eastern airlines co., ltd.
1999 —2000, Director of Flight Standards Department of Civil Aviation Administration of China.
From 2000 to 2002, he was the general manager of China Eastern Airlines Co., Ltd..
From 2002 to 2004, Deputy Director of Civil Aviation Administration of China.
From 2004 to 2008, he served as general manager of China Southern Airlines Group and chairman of China Southern Airlines Co., Ltd. ..
Since 2008, he has served as general manager of China Eastern Airlines Group and chairman of China Eastern Airlines Co., Ltd. ..