随着经济的发展和人民生活水平的提高，城市休闲娱乐、宾馆饭店和商贸购物场所逐渐增多。特别是近年来；公共场所如同企业重组一样，多数也“兼并”成了集购物、餐饮、住宿、休闲娱乐、桑拿洗浴于一体的综合型建筑场所。经营多样化、结构复杂化、功能全面化，也使致灾因素更为? With the economic development and improvement of people’s living standards, urban leisure and entertainment, hotels and restaurants and shopping malls have gradually increased. Especially in recent years, public places, like the reorganization of enterprises, have also become “merging” into an integrated construction site integrating shopping, catering, accommodation, entertainment and sauna bathing. Business diversification, structural complexity, full-featured, but also make the disaster factors more?