1. Give the crab a salt bath and soak it in salt water for half an hour, so that some dirty things in the crab can be spit out, and the steamed crab is tender in meat and fresher in taste.

2. After soaking, you should take a bath, and brush the crab cover and crab legs with a small waste toothbrush, so that it is more hygienic to eat.

3. When the pot is served, let the crab take a comfortable posture and lie down to steam. Put the crab belly up, so that the crab's abdomen is fully exposed to steam, which can sterilize and disinfect, and the crab is cooked quickly. In addition, the steamed crab is not easy to lose its claws, and its body is complete and its color is ruddy and bright.