Overconsumption of hairy crabs is likely to cause intestinal diseases.

Crab is a high cholesterol, high protein food, if eaten in large quantities, for some gastrointestinal function is not good, or previous cholecystitis, gallstones or liver disease patients, will cause indigestion, the crab also has a different kind of protein, which may cause allergic reactions. Then one a day is enough for healthy people, up to two to three a week.

Eating hairy crabs must be live crabs, and live crabs must be cooked before eating, or may ingest toxic substances or parasites; in addition, hairy crabs should not be eaten with beer and other things, easy to produce a lot of uric acid.