食源性疾病是指通过摄食而进入人体的各种致病因子所造成的人体患感染性或中毒性的疾病。食源性疾病给世界带来了严重的社会卫生保健问题和沉重的经济负担~([1])。预防和控制食源性疾病的一个基本措施是开展食源性疾病的流行病学监测~([2])。我国于2011年开始着手建设食源性疾病主动监测体系,采取“主动出击”的方式搜索相关病例和识别暴发,将监测关口前移,最终结合现有的被动监测体系,实现“以疾病找食品”和“以食品找食 Food-borne diseases are infectious or toxic diseases caused by various pathogenic factors that enter the body through ingestion. Foodborne diseases have posed serious social health problems and a heavy financial burden to the world ([1]). A basic measure to prevent and control food-borne diseases is to carry out epidemiological surveillance of food-borne diseases ~ ([2]). In 2011, China started to set up an active surveillance system for food-borne diseases, searched for relevant cases and identified outbreaks by means of ”active attack“, advanced the monitoring portal, and finally combined with the existing passive monitoring system to achieve ” Diseases looking for food “and ” looking for food