美国总统在采取紧急措施处置危机的过程中,根据与宪法、法律关系上的差异,形成了与时代相契合的四种不同的行政紧急权模式。在国会、总统和最高法院的互动和论争中,我们可以管窥美国危机行政的经验和教训。 In the course of taking urgent measures to deal with the crisis, the president of the United States has formed four different models of administrative emergency in line with the times according to the differences with the constitutional and legal relations. In the interaction and debate between the parliament, the president and the Supreme Court, we can have a glimpse of the experience and lessons of the crisis administration in the United States.