1. Ingredients: some crabs, some salt, some sugar, vinegar, some beer, and some ginger.

2. Wash the swimming crab, cut it into two parts by cutting it crosswise, and take out the gills and stomach.

3. Sprinkle a certain amount of salt and sugar on the cross-section of the crab, compact the seasoning, and fully blend with the swimming crab.

4. After marinating, cover with plastic wrap and put the swimming crabs in the refrigerator for two hours.

5. After refrigeration, take out the swimming crabs, rinse them with beer, cut them into small pieces, add grated ginger, mix with vinegar and sugar and serve.