2. Practice: Wash and chop the ducks, and mix well with salt, sugar, rice wine and soy sauce for later use; Shred onion for use; Put oil in the pan, saute ginger slices, add duck pieces and stir-fry until the color is the highest, add onion and stir-fry for a while, then add chicken soup, beer, star anise and dried tangerine peel, stew for 30 minutes on medium heat, and finally add onion pieces and oyster sauce, season with salt and boil.