In order to allow food to have a better storage environment, there is now a food storage method, which is to put the food into the food bag, and then take away the air inside the food bag, so that the food inside the food bag has a better environment. storage environment. However, at present, the food bag has these functions, removing the oxygen inside the food bag, preventing the oxidation of the food inside the food bag, and having good anti-stress, which can maintain the freshness of the food. Let the food aroma, color, and food taste have a good guarantee. And there is a good guarantee for the nutritional value of the product and the shape of the product. Such food bag packaging has very good packaging for the texture and taste of the product. Therefore, vacuum food bags are also a main way of storing food on the market at present, and it is very simple to unseal the back of this vacuum food bag packaging, cut directly from the edge of the food bag or directly break the food bag, let the food bag The outside air enters the inside of the food bag. Vacuum food bags can prevent food from deteriorating, but the food stored in vacuum food bags is not conducive to sterilization, so it generally needs to be combined with many methods. At present, the most used ones are pickling, refrigeration, quick freezing and dehydration. By combining these measures, the best effect of storing food in food bags is achieved.