Foods that are pre-packaged or made in packaging materials and containers; including pre-packaged and pre-packaged in packaging materials and containers and within a certain amount of food with a uniform mass or volume identification. Simply put, it means that after the packaging is completed, there is a definite quantity value, and this definite quantity value should be "within a certain quantity limit with uniform mass or volume identification.

Labeling: food packaging text, graphics, symbols and all instructions. Prepackaged food labeling should include the name of the food, ingredient list, net content and specifications, producer and (or) the name of the distributor, address and contact information, date of production and shelf life, storage conditions, food production license number, product standard code and other content that needs to be marked (such as irradiated food, genetically modified foods, nutrition labeling).