Ingredients: duck 700g, pepper, onion, two spoonfuls of cooking wine, ginger slices, ginger slices, onion, garlic, red pepper, green pepper, cinnamon, star anise and fragrant leaves. Put the duck in cold water, add pepper, ginger slices, onion segments, and two spoonfuls of cooking wine, blanch, and cook for 2-3 minutes on high heat. Set aside. Add onion, ginger, garlic and two spoonfuls of bean paste to hot oil, stir-fry red oil, add duck meat, stir-fry evenly and color. Add star anise, fragrant leaves, cinnamon, a spoonful of oyster sauce, a spoonful of light soy sauce and two tablespoons of dark soy sauce, stir well, and add 500ml of beer and a bowl of water. Boil the water for 30~40 minutes, add green pepper and salt, collect the juice over high fire, and take out the pot.