The shelf life of eggs is generally 15 days, the time of deterioration of eggs is closely related to the temperature and humidity when stored, its outer layer of hard shell, the inner part of the air chamber, egg white and yolk part, rich in cholesterol, nutrient-rich, containing a high level of protein.

The shelf life of eggs is 40-60 days when the temperature is 2-5 degrees Celsius, and about 30 days when the temperature is below 15 degrees Celsius, and 7-10 days when the temperature is higher than 25 degrees Celsius in summer. Cooked eggs are recommended to be eaten within 1-2 days regardless of the environment.