199 1 started working in the Supreme People's Procuratorate. During the period, he was successively attached to the People's Procuratorate of Chaoyang District, Changchun City, Jilin Province and the People's Procuratorate of Henan Province (as deputy procurator-general and member of the party group of the procuratorate), and served as deputy director and director of the second division of the Legal Policy Research Office in the Supreme People's Procuratorate;

1999-2006 Deputy Director of Legal Policy Research Office of the Supreme People's Procuratorate;

Since 2006, he has served as the director of the Legal Policy Research Office of the Supreme People's Procuratorate, and concurrently served as the deputy director of the Judicial Reform Office of the Supreme People's Procuratorate, the deputy director of the Taiwan Province Provincial Affairs Office, and the member of the Prosecutor Evaluation Committee;

From June 28, 2008 to October 28, 2008/KLOC-0, he served as a member of the Procuratorial Committee of the Supreme People's Procuratorate.