Packaging design is a comprehensive epitome of brand conception, product characteristics and consumer psychology. It can directly affect the purchase desires of the customers. Packaging design is also a combination of art and natural science, reflecting many elements such as commerce, art, materials, psychology, society and so on. In the era of diversified communication channels, modern consumers are no longer facing a single kind of goods, but a wide range of products, some sharing the same function and utility. How do the consumers choose and judge? It is certain that the packaging of goods has a very important influence. This is especially true in the food industry.