大型社会活动,是指主办方借用或租用及其他形式临时性占用场地、场所,面向社会群体举办诸如文艺演出、体育比赛、展览展销、招聘会、庙会、游园会等群体性活动。本文主要探讨特大城市中大型社会活动的事故预防。国务院于2014年11月20日,发布《关于调整城市规模划分标准的新通知》(国发2014第51号文件),此项新标准是按城区常住人口数量将城市划分成五类七档。其中特大城市的城区常住 Large-scale social activities refer to the organizers borrowing or renting and other forms of temporary occupation of venues and places for social groups such as theatrical performances, sports competitions, exhibitions and exhibitions, job fairs, temple fairs, garden party activities. This article mainly discusses accident prevention of large social activities in mega-cities. On November 20, 2014, the State Council promulgated the “New Notice on Adjusting the Standard for Urban Scale Classification” (GF No. 51). The new standard is to classify the city into seven categories according to the number of permanent residents in urban areas. One megalopolis city resident