No. Vacuum packaging will pump out all the air in the packaging container and seal it, so that the bag can be kept in a highly decompressed state. Lack of air is equivalent to lack of oxygen, so that microorganisms have no living conditions, thus achieving the purpose of fresh fruit without disease and rot, so the vacuum-packed pig blood pills will not be moldy. Vacuum packaging can protect products from environmental pollution, extend the shelf life of food and improve the value and quality of products.