公共场所一般人员密集,建筑装饰复杂、可燃物品多、电器多、用电量大、人员集中。近年来,公共场所火灾发生的频率、规模及造成的经济损失呈递增趋势,人员聚集的公共娱乐场所的群死群伤火灾尤为突出。20年前,火灾主要发生在易燃品集中的工厂、仓库或农舍、民居;现在,发生在商场、饭店、歌厅等公共场所、石油化工企业、交通运输业和高层建筑 Public places are generally staff-intensive, complex architectural decoration, combustible items and more electrical appliances, electricity consumption, staff concentration. In recent years, the frequency and scale of fires in public places and the economic losses caused by them have shown an increasing trend. The fires of mass outcasts and quarrels at public entertainment venues where people gather are particularly prominent. Twenty years ago, the fires mainly occurred in factories, warehouses or farmhouses and houses where flammable products were concentrated; now, they occur in public places such as shopping malls, restaurants, karaoke bars, petrochemical companies, transportation and high-rise buildings