Supervision in advance, supervision in the process, etc. Tuhua Education believes that according to the process of public administration, administrative supervision can be divided into pre-supervision, in-process supervision and post supervision. Among them, prior supervision refers to the supervision of the administrative counterpart by the administrative organ before making an administrative decision. Process supervision refers to the supervision of the administrative counterpart by the administrative organ after making an administrative decision. Post supervision refers to the supervision of administrative organs over the administrative actions that have taken place by the administrative counterpart.