罗伯特·希斯(Robert Heath)在所著《危机管理》一书中指出:公共危机“是指在政府管理国家事务中,突然发生的如地震、流行病、经济波动、恐怖活动等对社会公共生活与社会秩序造成重大损失的事件。”新闻媒体对危机事件、危机事件的受害者及危机引发的政府或社会行为的及时、准确、客观、公正及全方位的报道, In his book Crisis Management, Robert Heath pointed out: The public crisis “refers to the social crisis caused by sudden earthquakes, epidemics, economic fluctuations and terrorist activities in the administration of state affairs. Public life and social order. ”" The media’s timely, accurate, objective, fair and comprehensive coverage of the crisis, the victims of the crisis and the crisis-triggered government or social behavior,