1. If you don't finish eating that night, you can wrap it with plastic wrap, completely cool it and put it in the refrigerator for refrigeration, or freeze it if possible. However, the cooked crabs stored in cold storage should not exceed noon the next day at the latest. When they are eaten again, they should be steamed back to the pot or heated in boiling water for half an hour before eating. Avoid eating crabs without seasoning. Because crabs are cold, it's best to put some Jiang Mo and vinegar when eating, which can remove fishy smell, sterilize and drive away the cold. Eating crabs in this way can not only ensure delicious food, but also give consideration to safety. But if it goes bad, you'd better throw it away. Although it is wasteful, health is more important.

2. If you keep the cooked crabs for a short time, you can cover them with plastic wrap and put them in a cool and ventilated place. Generally, it can be kept fresh for 68 hours, provided that it is cold and the temperature is low. If the weather is hot, if you want to keep the cooked crabs for a short time, you should put them in the freezer. In this way, crabs at noon can be kept until evening, but they can't stay overnight. If you want to store boiled crabs for a long time, such as overnight, you should put them in the freezer. However, direct freezing is easy to make boiled crabs lose water and become very dry and unpalatable. When frozen, it can be frozen with the soup of boiled crabs, which can keep the crabs delicious.