突发事件是指在一定范围内突然发生的具有强烈冲击力和影响力的重大事件 ,它包括来自社会的 ,也包括来自自然界的。由于它的不可控制和巨大的破坏性 ,往往会对社会经济发展和人民生活造成意想不到的灾难 ,甚至可能引发区域乃至全国、全球危机。同时 ,这种突发事件也具有两面性 Emergency refers to a sudden occurrence within a certain range with a strong impact and influence of major events, including from society, but also from nature. Due to its uncontrollable and tremendous destructiveness, it often causes unexpected disasters to social and economic development and people’s livelihood, and may even lead to regional and even national and global crises. At the same time, this kind of emergency also has two sides