Snacks that are one month past their expiration date are not recommended. If the food has passed the shelf life, the quality of the food cannot be guaranteed and there is a possibility of mold and bacteria, which can be harmful to the body. The specific hazards are as follows: 1. Snacks spoilage, tasteless: storage time, especially storage is not the right case, such as the food in the easy moisture, sunlight, or temperature fluctuations in the place, the ingredients in the food will be oxidized and decomposed, directly on the food nutrients destroyed, so directly deterioration, tasteless, eaten and not delicious. 2. Breeding bacteria, mold: a long time oxidation, snacks in the ingredients will slowly become spots, visible to the naked eye, eat into the likelihood of acute gastroenteritis, pain, but also with vomiting, diarrhea, etc., so it is recommended that we still do not eat expired snacks. Eat a month after the expiration date of the snack, if there is obvious discomfort, such as fever, abdominal pain and so on, it is recommended to directly seek medical attention.