According to the national standard GB/T 4122.1-2008, plastic bag packaging refers to the general name of containers, materials and auxiliary materials used in certain technical methods to protect products during circulation, facilitate storage and transportation, and promote sales; also refers to In order to achieve the above objectives, certain technical methods and other operational activities are applied in the process of using containers, materials and auxiliary materials. Other countries or organizations have different expressions and understandings of the meaning of packaging, but the basic meaning is the same. They all take the function and role of packaging as their core content. Generally, there are two meanings: about the containers, materials and auxiliary items that contain the goods. That is, packaging; about the implementation of technical activities such as packaging, sealing, and bandaging. Food packaging refers to the use of appropriate packaging materials, containers and packaging technology to wrap the food so that the food maintains its original quality and value during the transportation, storage, and circulation process. It is an integral part of commodity packaging.
In the modern commodity society, packaging plays an extremely important role in the circulation of commodities. The scientific rationality of packaging will affect the quality and reliability of commodities, and the perfect state conveyed to consumers. The design and decoration level of packaging directly affects the commodities. Its own market competitiveness and even brand and corporate image.