2, the crab contains a lot of fat, protein, vitamins, fiber and calcium, iron, phosphorus and other components of the material, moderate consumption of human health benefits, generally in the cooking of crabs when it is recommended to use boiling water to cook, because this can be very good to help retain the nutrients in the crab.

3, cold water cooking crab crab cooking time will be longer, which will easily lead to the loss of nutritional value of the crab, and secondly, the crab's meat will be older, so boiled crab is generally recommended to boil water is better.