1. Crabs are salty and cold, and they are scavengers. Therefore, they should be soaked in Jiang Mo vinegar juice to dispel the cold and sterilize, and should not be eaten alone.

2. The gills, sandbags and internal organs of crabs contain a lot of bacteria and toxins, which must be removed when eating.

3. Crabs should not be eaten with sweet potatoes, pumpkins, honey, oranges, pears, pomegranates, tomatoes, cantaloupes, peanuts, snails, celery, persimmons, rabbit meat, Schizonepeta tenuifolia and soft-shelled turtles, which will lead to food poisoning.

4, eating crabs can not drink cold drinks, which will lead to diarrhea.

5, should not be eaten with tea, eat crabs and avoid drinking tea water within 1 hour after eating crabs.