Cooked crabs can be eaten if they are kept at low temperatures without spoiling, but if they are not kept properly and develop an off-flavor, it is recommended that they not be eaten again. 1. For those who like to eat crabs, high temperature treatment of cooked crabs is required during cooking, and it is recommended to finish eating on the same day, not more than 24 hours, otherwise it will affect the taste of crabs and food safety. 2. The cooked crab can be wrapped in plastic wrap and placed in the refrigerator when stored, and it should be reheated at high temperature on the second day before use, generally not more than on the second day. 3. If the cooked crabs are not placed in the refrigerator, but directly exposed to air gases, it is easy to lead to the growth of bacteria on the surface and internal organs of the crabs, resulting in corruption and spoilage, and diarrhea and vomiting and other gastrointestinal symptoms may occur after eating. It is recommended to consume the prepared crabs in time to avoid leaving them for a long time causing spoilage and affecting your health.