He was formerly mayor of Yichang, the secretary-general of the Hubei party committee under Yu Zhengsheng, the Vice-Governor of Anhui province, and chief of the national office for health care reform.
[2] Beginning in September 2006, Sun began serving as executive vice governor of Anhui province, and a member of the party ruling council there.
[2] In a government reshuffle in March 2013, Sun was named deputy director of the National Health and Family Planning Commission.
[4] On 16 October 2015, Sun was appointed acting governor of Guizhou province, succeeding Chen Min'er, who had been promoted to provincial party chief.
[6] In December 2020, Sun was appointed as the Deputy Chairperson of the National People's Congress Financial and Economic Affairs Committee.