Food packaging plays a pivotal role in people’s lives. As a packaging factory, food packaging is also the type of bag with the largest shipment volume. Composite packaging bags, aluminum foil bags, plastic packaging bags Food packaging bags can play an important role in product protection, transportation, storage, and publicity. The material of food packaging bags directly affects people’s first sense of a product, and is directly linked to product sales. Recently, people have higher and higher requirements for food packaging materials, so how do we choose the material of food packaging bags? The characteristics of various plastics commonly used in food plastic packaging bags are even more important for the correct selection of plastic packaging bags, because the material of plastic bags determines the basic characteristics of plastic bags. Plastic packaging bags with the same or similar shape may have huge differences in performance due to different materials. There are various types of food-specific plastic packaging bags with different performances, but no matter which type, the goal is to make good use of food bags, which is beneficial to the safety of food packaging and the practicality of packaging. To choose a good plastic packaging bag, you must first have a clear understanding of the performance of the product to be packaged and the packaging requirements of the product. This is the basis for avoiding blindness and choosing a good plastic packaging bag. Therefore, when choosing plastic containers, we must fully understand the relevant properties of plastics, and do not act rashly. When the exact information on the performance of plastic packaging bags cannot be obtained, it is recommended to conduct simulation packaging before deciding to choose food packaging bags. test. At the same time, it should be noted that the plastic packaging bags used for food packaging must meet the hygienic standards for plastic molded products of the corresponding materials.