Previously he served as Chinese Communist Party Deputy Committee Secretary of Guang'an, the birthplace of China's former paramount leader Deng Xiaoping.
[citation needed] In January 1999 he was appointed as assistant president of Chongqing Research Institute of Building Science (CRIBS), but having held the position for only seven months.
He was deputy director of the Sichuan Provincial Department of Housing and Urban Rural Development in November 2014, and held that office until July 2015.
[7] On November 12, 2018, Yan Chunfeng had been expelled from the CCP and removed from the government over graft allegations and his case was handed over to prosecutors.
Prosecutors said that between 2001 and 2008, he took advantage of the convenience and power associated with his various posts in Yibin, Chengdu and Guang'an to help others profit in project contracting and dispute resolution.