包装除美化商品，提高产品的附加值外，更主要的作用是保护商品、延长产品的货架期，尤其对食品可起到保质、保鲜的重要作用。随着工业的发展，产品的丰富，与之配套的包装将日趋多样化，在发展的同时人们更加认识到保护环境的重要，因之选择合理的包装与材料是当今世界各国都 In addition to beautifying the product packaging, improve the added value of the product, the more important role is to protect the goods and extend the shelf life of the product, especially for food can play an important role in quality, preservation. With the development of industry, product richness and its supporting packaging will be diversified. At the same time of development, people are more aware of the importance of protecting the environment. Therefore, the rational choice of packaging and materials is one of the most important