Pour an appropriate amount of oil into the pot. When the oil is 60% hot, pour in the chicken pieces and stir-fry until the chicken changes color. All the water in the meat pieces is stir-fried, so that the stewed chicken will be particularly fragrant. Pour in seasonings such as onion, ginger, star anise and pepper. Stir-fry in the pan to give off fragrance. Then pour the drained hazelnut mushrooms into the pan and stir them evenly, then add soy sauce, sugar, cooking wine, etc. and stir them evenly and color them. Stir-fry for five or six minutes, then add appropriate amount of boiling water and water soaked by hazelnut mushrooms, cover the pot and boil.