1. Protection function; The protection function is also the most basic function of the package, even if the product is not damaged by various external forces.

2. Convenient functions; The so-called convenience functions, that is, whether the packaging of goods is easy to use, carry, store, etc. A good packaging work should be based on "people" and be considered from the consumer's point of view. This will narrow the relationship between goods and consumers, increase consumers' desire for purchase, and promote the trust of goods. Communication between consumers and businesses.

3. Sales Function; In the past, people often said that "wine is not afraid of deep alley", "first-class products, second-class packaging, third-class prices", as long as the product is of good quality, it will not be sold out. In today's increasingly competitive market, the role and importance of packaging is also profound for manufacturers.