1. Ingredients: sea crab, onion and ginger.

2. Wash the shell of the sea crab first, remove the cover shell from the crab, peel off the navel, cut it horizontally at the navel with a knife, cut a crab into six pieces, wash the onion and ginger, cut the onion into powder, and shred the ginger.

3. Heat oil in the pot, saute shredded ginger, add sea crabs and pour cooking wine.

4. After stir-frying, add salt, sugar and water, and cover.

5. After boiling, simmer for three minutes. Finally, open the lid and sprinkle with chopped green onion.

6. Put the plate on the table.