The functions of the discipline inspection and supervision office are entrusted to the supervision office. The discipline inspection and supervision office performs two functions: the party's discipline inspection organ and the government's supervision department. Generally speaking, within the system, the discipline inspection and supervision departments implement the management system of two brands and one set of people. Some institutions will set up discipline inspection offices (excluding supervision functions).

Discipline inspection is an institution of the party, and supervision is an institution of the state. The supervision objects are different: the supervision objects of the supervision room are mainly public officials. The supervision objects of the discipline inspection and supervision office include leading cadres and public officials in party member.