Abstract:The samples of the bread，beverages，sausages and other snack foods from major supermarkets and other retail in Tianjin were collected from 2016 to 2018.The amount of sorbic acid and benzoic acid added in samples were determined.The results showed that the average contents of sorbic acid and benzoic acid in the samples tested in each year were relatively stable and a little decreased in recent years.The contents of sorbic acid and benzoic acid in enema meat products were relatively high and were quite different among different types of beverages.All samples of sorbic acid and benzoic acid were added in accordance with national standards.All test items complied with the requirements of the national standards for food preservative.