一、行政程序必须法定从发达资本主义国家行政法发展的历史看，实体法定和程序法定是推动行政法制建设的二个轮子，缺少了任何一个，都不能推动法制建设的发展。在发达资本主义国家，行政程序法定被认为是控制行政权滥用的手段。当资本主义从自由竞争时期进入垄断阶段，行... First, the administrative procedures must be statutory From the history of the development of administrative law in advanced capitalist countries, the substantive statutory and procedural statutory provisions are the two wheels to promote the building of an administrative legal system. Without any one, neither can promote the development of the legal system. In developed capitalist countries, the statutory provisions of administrative procedures are considered as a means of controlling the abuse of executive power. When capitalism enters the monopoly stage from the time of free competition,