Expired eggs can not be eaten, not only expired eggs can not be eaten, any food in the shelf life can be eaten, safer, after the expiration of the period can not be eaten, expired food generally cause abdominal pain, diarrhea and other occurrences. For eggs, the expiration date is not necessarily corruption, but the reduction of nutritional value is one of the embodiment of the expiration date of the egg. Eggs at room temperature shelf life of 15 days, in the summer when the temperature is higher, generally 10 days, in the refrigerator freezer box can generally put 40 days, once expired, can not be eaten again.