Wan Nianhui was born in December 1976 and is from Nanchang, Jiangxi Province. He is a member of the Communist Party of China and has a university degree.

He has successively held the positions of Deputy Director of the General Office of the Jiangxi Federation of Trade Unions, Director of the Research Office, Director of the Publicity, Education and Network Department, and Director (Minister) of the General Office (Research Office, International Liaison Department). During this period, from March to July 2019, he studied in the 54th session of the Young and Middle-aged Cadre Training Class of the Jiangxi Provincial Party School. He has been rated as an advanced individual in the province's legal publicity and education work by the Working Committee of the Provincial Organs Directly under the Provincial Government and the Provincial Legal Publicity and Education Work Leading Group.

Currently, he serves as the Party Committee Secretary and Supervisory Commissioner of Nanchang Institute of Technology.