Of course, we know that all kinds of packaging are made of different composite materials, and its packaging characteristics are corresponding to the requirements of different foods, which can effectively protect the quality of food. Food packaging and food packaging box to protect food, so that food leaves the factory to the hands of consumers in the process of circulation, to prevent the damage of biological, chemical, physical external factors, it can also have the function of maintaining the stable quality of the food itself, it is convenient for food consumption, but also the first performance of the appearance of food, to attract the image of consumption, with the value outside the material cost. Food packaging is an integral part of food commodities, is a good carrier in the field of circulation, combined with different product requirements, to provide more suitable packaging. These are the advantages of paper bags, but also a big opportunity for food paper bag machines, we want to seize this opportunity.