Xu has successively served as Deputy Secretary of the Xinchang County Committee of the CYL and Deputy Secretary of the CPC Committee and Vice Chairman of the People’s Congress (temporary post) of Xiaojiang Town, Xinchang County; Secretary of the CPC Committee and Chairman of the People’s Congress of Dongming Township, Xinchang County; Standing Committee Member and Director of the Publicity Department of the CPC Xinchang County Committee and Deputy Chief of the Ecology Division under the Environmental Protection Bureau of Zhejiang Province (temporary post); Executive Deputy Head of Xinchang County, Deputy Secretary of the CPC Xinchang County Committee, and Chief Commander of the Qincun Reservoir Construction Headquarters (County-Head level); Acting Mayor of Zhuji City, Deputy Secretary of the Zhuji Municipal Committee of the CPC, and Mayor of Zhuji City; Secretary of the CPC Committee of Yuecheng District, Shaoxing City and concurrently Secretary of the CPC Working Committee of the Shaoxing Hi-tech Industrial Development Zone; Standing Committee Member of the Shaoxing Municipal Committee of the CPC and Secretary of the Zhuji Municipal Committee of the CPC. In Feb., 2021, he was appointed Standing Committee Member of the Taizhou Municipal Committee of the CPC, Executive Deputy Mayor of Taizhou City, and Secretary of the Party Working Committee of the Taizhou Bay New Area.