Food prepackaged or made with packaging materials and containers; Include a predetermined amount of packaging and a predetermined amount of food made in package materials and containers and having uniform quality or volume label within a certain limit. Simply put, there is a definite value after packaging is completed. This definite value should be "uniform quality or label within a certain limit."

Label: words, figures, symbols and all descriptions on food packaging. The label of prepackaged foods shall include the food name, ingredient list, net content and specification, name, address and contact information of the producer and/or distributor, production date and shelf life, storage conditions, food production license number, product standard code number and other contents that need to be marked (such as irradiated food, genetically modified food, nutrition label).