Mr Cui has been the Deputy Director of the National Bureau of Corruption Prevention of China since September 2009.

In November 1972, he served in Troop 441 of the Chinese People's Liberation Army. Since May 1976, he had been the Deputy Director of Tonggu Naor Forestry Center, Alashanzuo County of Inner Mongolia Autonomous Region. Between July 1979 and July 1981, he studied in the Chinese Department of Ningxia Education College. From July 1981 to September 1982, he was a teacher of No.1 Middle School, Alashanzuo County of Inner Mongolia Autonomous Region.

Since September 1982, Mr Cui had worked in the Bureau of Personnel of Yinchuan City, Ningxia Hui Autonomous Region. He had served respectively as the Deputy Director of Case Review Department; the Director of Research Department, Education Department and General Office, and the Secretary General of the CPC Commission for Discipline Inspection of Ningxia Hui Autonomous Region from April 1984 to May 1996. During the period, he had studied in the Chinese Department of Shaanxi Normal University for three years.

Prior to his current position and between May 1996 and September 2009, he had been the Deputy Director of Education Department, Audiovisual Education Center and Inquisition Department, and the Director of Beidaihe Training Center and the 4th Discipline Inspection and Supervision Department of the CPC Central Commission for Discipline Inspection and Ministry of Supervision in succession.