绪论:在危机频发的现代社会,应急状态将频繁开启国家紧急权的宪政分析和紧急权的宪政约束是本文的立论前提,但本文的主旨在于研究紧急状态的宣布时刻:从而阐述在我国现有“紧急状态和突发事件应对法分别立法”、“法律体系和各级预案相结合”的特有应急机制下,现实中是如何开启应急状态的,如何启动预警 Introduction: In a modern society where crises are frequent, the state of emergency will frequently open the constitutional analysis of the state emergency power and the constitutional restraint of the emergency right. However, the purpose of this paper is to study the moment of announcement of the state of emergency: Under the unique emergency mechanism of “the state of emergency and emergency response law” and “the combination of the legal system and the plans at all levels”, how to activate the emergency state in reality and how to start the warning