Specific eggs put how long can no longer eat the problem, there is no uniform provisions of the time answer, because we save the temperature and environment of the egg and the egg itself is not consistent with the degree of cleanliness, the need to store the egg through the following changes to determine the egg in the end can not be eaten, such as: 1, the egg in the storage of cracked-like, it can not be eaten, so that the egg is very susceptible to bacterial Invasion. 2, the egg after opening the yolk tightly adhering to the egg shell, such eggs are not fresh, nutrition and taste are greatly reduced, can not be eaten. 3, eggs after a long time to emit a foul smell, yolks scattered, eggshell color black, and even see maggots and other phenomena can not be eaten. 4, the egg inside the stillborn, this egg in some place as a delicacy to eat, but in fact can not eat, which may be protein decomposition of a variety of toxic substances, if eaten easily stimulate the stomach and intestines, gastroenteritis and other food poisoning symptoms.