This is an integral part of the discipline inspection organ, a functional department of the discipline inspection organ and an important force for inner-party supervision.

Its main duties are: to safeguard party constitution and other internal party laws and regulations, to assist party committees in strengthening the party's work style, and to check the implementation of the party's line, principles, policies and resolutions; Supervise and inspect the Party's organization and party member's implementation of Party discipline, seriously criticize and educate party member who violates Party discipline, and make decisions or suggestions.