当前市场上的进口食品品种多、品牌多，以北京地区为例，该市有近５００家企业在经销进口食品，每一家公司经营的品种从几种到数十种不等，特别是进口酒类、餐料类、小食品类的经销商经营品种可多达数百种。在监督管理时，难以在短时间内判断某种食品是否已完成卫生检疫，无法 Currently, there are more imported food varieties and more brands in the market. Take Beijing as an example. Nearly 500 enterprises in the city distribute imported food. Each company runs several varieties ranging from several to dozens, especially imported wine Classes, foodstuffs category, small food distributors operating varieties can be up to hundreds. In the supervision and management, it is difficult to determine in a short time whether a certain food has completed the health quarantine, can not