Practice: Wash pigeons, put them in boiling water, add some cooking wine, remove blood, remove them and wash them; Add ginger slices, onion segments, medlar and jujube, and stew for1.5h; Peel yam, cut into sticks and knives, soak black fungus, cook quail eggs like boiled eggs, and peel them; Poke it with chopsticks. When it is crisp, add quail eggs and black fungus. Stew for 20 minutes on low heat, add yam and stew until yam becomes crisp. Season with salt and chicken essence.