Practice: Wash the swim bladder, cut it open with scissors, marinate it with salt and white wine for a while, put the swim bladder in a hot pot with cold oil, fry it on both sides with medium fire until golden brown, remove the swim bladder, add onion, ginger and spicy skin to stir fry until fragrant, then mix the swim bladder evenly to make it spicy, and add white wine and soy sauce.