（1） Protected goods

Protecting commodities is one of the important functions of carton packaging. In the process of circulation, goods may be affected by various external factors, causing damage, pollution, leakage or deterioration of goods, reducing or losing the use value of goods. Scientific and reasonable packaging can make the goods resist the damage of various external factors, so as to protect the integrity of quality and quantity.

（2） Easy circulation

Carton packaging provides conditions and convenience for commodity circulation. The goods are packed in a certain quantity, shape, specification, size and different containers, and various marks are usually printed on the outside of the commodity packaging to reflect the name, quantity, specification and color of the packaged goods, as well as the volume, gross weight, net weight, factory name, factory address and precautions in storage and transportation, which is conducive to the distribution, allocation, counting and counting of goods, It is also conducive to the rational use of various means of transport and warehouse capacity, improve the efficiency of transportation, loading and unloading, stacking and storage, accelerate the circulation of goods and improve the economic benefits of commodity circulation.

（3） Promote sales

Exquisite commodity packaging can beautify

The role of commodities, promoting commodities and promoting sales. Packaging can not only improve the market competitiveness of goods, but also attract customers and guide consumption with its novel and unique artistic charm. It has become the leading factor to promote consumers' purchase and is a silent salesman of goods. High quality packaging is of great significance in improving the competitiveness of export commodities, expanding export to earn foreign exchange and promoting the development of foreign trade.

（4） Convenient consumption

Sales packaging varies with different commodities in various forms. The packaging size is appropriate, which is convenient for consumers to carry, store and use. The drawings, trademarks and text descriptions on the packaging not only facilitate the identification of consumers, but also introduce the composition, nature, purpose, use and storage methods of commodities, which plays a role in facilitating and guiding consumption.

（5） Cost saving

Commodity packaging is closely related to production cost. Reasonable packaging can integrate scattered goods in a certain number of forms, so as to greatly improve the loading capacity and facilitate loading, unloading and transportation, and save transportation fees, storage fees and other expenses. Some carton packaging can also be recycled for many times to save the production of packaging materials and packaging containers, which is conducive to reducing costs and improving economic benefits.