With the development of the society, emergencies occur frequently with a trendecy of complication and heavier consequence. Thereafter, it has become a serious problem for every country to deal with. We must rely on the government to prevent and manage emergencies, or else common property, public safety and public order, even personal asset, civil rights and civil liberty cannot be protected properly. But if the acts of government are not effectually controlled by the law, it can be uncertain to reduc...