Cold chain packaging is a system of packaging and shipping goods keeping a specified temperature from manufacture to final destination. In other words, cold chain packing aims to ensure product quality and prevent products from turning bad through the process of production, processing, storage, transportation, sales, and consumption, in which the products of various fields are always in a consistent temperature environment. With the gradual enhancement of people's quality and safety awareness, the advantages of cold chain logistics have become increasingly prominent. Because of its higher requirements for preservation, cold chain packaging is more and more important.