大型活动是指各种人数较多的会议、体育比赛、展览会、贸易会等集会,规模大、时间长、人员比较集中,用餐量大,易出现食物中毒及食品污染等卫生问题。因此,大型活动的食品卫生保障不同于一般的日常监督管理,责任大、要求高、任务重,近年来已成为各级卫生监督部门的重要工作之一 Large-scale activities refer to all kinds of meetings, sports competitions, exhibitions and trade fairs with large numbers of people. Large scale, long time, concentrated personnel, large amount of meals, and food hygiene problems such as food poisoning and food contamination are prone to occur. Therefore, the food safety of large-scale activities is different from the general daily supervision and management, with great responsibility, high requirements and heavy tasks. In recent years, it has become one of the important tasks of health supervision departments at all levels