随着改革开放，市场经济的发展，零售熟食商家逐渐增多，经营方式、规模不断改变，产品的卫生质量控制日益重要。为了了解虹口区零售熟食的卫生状况，探索影响零售熟食质量的危害因素，笔者于１９９９年４月对虹口区３４户国营、三资、私营企业和个体户零售熟食情况进行了... With the reform and opening up, the development of market economy, retail and cooked food businesses are gradually increasing, management methods and scale are constantly changing, and product hygiene quality control is increasingly important. In order to understand the hygiene condition of retail cooked food in Hongkou District and explore the harmful factors that affect the quality of retail cooked food, the author conducted a survey on the retail cooked food status of 34 state-owned, foreign-funded, private-owned and self-employed enterprises in Hongkou District in April 1999.