Packaging is an important part of food, which has the characteristics of protecting foreign biological, chemical and physical factors from damage and maintaining stable quality. According to the difference of food composite packaging materials, packaging is divided into traditional packaging and new packaging. At present, common new packaging materials are divided into degradable materials, edible materials, recyclable materials, nanomaterials and so on. Food bags, food packaging bags, vacuum packaging bags With the post-00s entering college campuses, the pattern of the consumer market has quietly changed. Young consumers have different demands on product functions, appearance, etc. from their parents. A large number of Internet celebrity product packaging has seized the economic dividend of appearance, and packaging has become the first choice for many innovations. Young consumer groups have significantly higher acceptance of online consumption. Compared with traditional retail formats, e-commerce has higher requirements for standardization and durability of composite packaging bags. In recent years, food safety has been improved and environmental pollution has been reduced. It is expected that in the future, recyclable and environmentally friendly packaging materials will become a development trend, and green materials will be vigorously developed and developed. Tea Packaging Bags, Aluminum Foil Bags, Plastic Packaging Bags