Chen Yan is suspected of serious violations of discipline and law. He is the seventh "tiger" officially announced to be investigated after the National Two Sessions this year, and the 16th central management cadre to be investigation this year.

He has been working in Guizhou for a long time since he started working in July 1986. He served in Guiyang City from September 2017 to October 2021 and served as mayor for 4 years. He said at a special study seminar, “We must make greater efforts to improve people's livelihood and well-being"