The definition of packaging is: "The overall name of containers, materials and auxiliary materials used to protect products, facilitate storage and transportation, and promote sales in accordance with certain technical methods. It also refers to the use of containers and materials for the above purposes. Operational activities such as applying certain technical methods in the process of auxiliary materials. "Other countries or organizations have different expressions and understandings of the meaning of packaging, but the basic meaning is consistent, and the packaging function and function are the core contents. There are two meanings:
1 for containers, materials and auxiliary items, ie packaging materials;
2 Regarding the implementation of technical activities such as dressing, sealing and dressing.