From June 65438 to July 0987, he participated in public security work and worked in police station, criminal police brigade and economic investigation brigade successively.

In August 2002, he served as the director of the Hongqiao Temple Police Station of Lanshan Branch.

In June 2003, he served as the squadron leader of the Economic Investigation Brigade.

In June 2007, 65438- 10 served as the squadron leader of the Second Squadron of the Criminal Investigation Brigade. He has won personal third-class merit twice.

In 2002, he was awarded a personal second-class merit by the municipal government, and in 2008, he was awarded a personal second-class merit by the provincial office.