Only basic information such as commodity type (such as dry goods, food, books, etc.) can be seen from the barcode. ) and origin, but you can't find some detailed information. To put it simply, because the bar code of each product is unique and unchangeable, such as Shanghaojia 1 10 gram of tomato-flavored potato chips, there is no special situation, and its bar code is unchanged, but this product is produced every day, so,

For the composition of the goods, the shelf life is definitely not visible from the barcode itself, and it is not clear whether the relevant information can be retrieved from the database of relevant departments. But what is certain is that many supermarkets and related retail or commodity management institutions have their own systems. Barcodes can be used as identification information of commodities, and any information can be entered under one barcode, such as shelf life, commodity name, composition and so on.