Whether boiled eggs can be eaten the next day is usually related to the storage environment, the degree of raw and cooked, etc., can not be generalized. 1. Storage environment: hard-boiled eggs, at low temperatures, that is, the freezer temperature or winter cold storage overnight, generally does not deteriorate, can be consumed normally; if the eggs stored at room temperature is recommended to store 3-4 hours, overnight time is too long, easy to breed bacteria, causing gastrointestinal discomfort, it is not recommended to eat. 2. cooked degree: boiled eggs, bacteria are killed, can be refrigerated overnight, if the half-boiled eggs that runny eggs, generally not to the degree of fully cooked, the yolk of the bacteria may not have been completely killed, overnight is more likely to cause bacterial growth, consumption may lead to bloating, diarrhea, etc., is usually not recommended for consumption. Therefore, cooked eggs can be consumed the next day, need to be analyzed on a case-by-case basis, but it should be noted that overnight eggs should be reheated before consumption the next day, if accidentally consumed after the symptoms of discomfort, you should seek medical attention as soon as possible.