Clean the hairtail and remove the head and tail. After cleaning, cut into 2-inch sections, sprinkle a little salt and cooking wine 15 minutes, mix a bowl of sweet and sour juice, 1 tablespoon cooking wine +2 tablespoons soy sauce +3 tablespoons sugar +4 tablespoons vinegar +5 tablespoons water, stir well, fry the hairtail section until golden on both sides, take it out, add onion, ginger and garlic, stir fry until fragrant, and add it.