The food packaging bag is a kind of packaging design. In order to facilitate the preservation and storage of food in life, a product packaging bag is produced. Food packaging bags are film containers that are in direct contact with food and used to contain and protect food.

Food packaging bags should be produced using food-grade plastic films, which are generally two or more layers of composite packaging bags.

The information that should be marked on the food packaging bag should meet the requirements of GB21660-2008.

Food packaging bags can be divided into general food packaging bags, vacuum food packaging bags, inflatable food packaging bags, boiled food packaging bags, steamed food packaging bags, and functional food packaging bags according to the scope of application.