1. Crabs need to be boiled for about 20 minutes. Crabs belong to seafood and are often accompanied by a large number of parasites. If it is not cooked at high temperature, a large number of parasites will invade the human body and may cause intestinal inflammation, edema and other symptoms.

2. It is best to cook crabs in cold water to ensure maturity.

You need to wash crabs before cooking. Pay attention to the mouth and abdomen. These parts are the parts where crabs contain more parasites.