1. Material: 600g crab, salt, 500ml ice water, 3 slices of ginger, onion, vinegar, shredded pepper and shredded ginger.

2. The specific method is as follows: Wash the crab shell and open it. Viscerate, wash away the dirt.

3. Dissolve the salt in ice water, then put the washed crab in, soak it for 10 minute, and take it out. Chop the crabs, put the crab shells together on the steaming plate, and sprinkle the ginger slices and scallions on the crabs.

4. Put it in a steamer, steam for 10 minute on medium fire, then discard the ginger and onion, let the crab cool, put it in the refrigerator, and take it out for refrigeration 1 hour. At the same time, soak shredded pepper and shredded ginger in vinegar 10 minute.

5. Return the cooled crab to its original shape and put the crab shell on it. Now peel the crab meat and dip it in ginger vinegar.