Xing Nianzeng joined the work in July. 1987. He has served as a surgeon of Shandong Yishui Central Hospital, a physician of Peking University Institute of Urology, a postdoctoral researcher and assistant professor of Mayo Medical Center in the United States, a urologist attending surgeon, deputy chief physician and director of Chaoyang Hospital, executive deputy director of Urology Department of Chaoyang Hospital and Institute of Urology of Capital Medical University, executive deputy director of Institute of Urology of Capital Medical University, and chairman of Chaoyang District Committee of Agricultural Workers' Democratic Party.