Secondly, in order to ensure the labeling effect of labeling information, production enterprises should first label the vacuum packaging bags loaded with food, and try to avoid labeling after loading food. Before loading food, the vacuum packaging bag is regular and flat, and the production effect can be improved by combining with the paging machine. However, if it is a food packaging bag, it will be particularly uneven, and it is difficult to ensure that the sealing part can achieve the required marking effect, which may affect the inspection of consumers.