Donkey meat steamed stuffed bun is a traditional snack of Han nationality. Soak vermicelli until soft, add minced onion and ginger, donkey oil and salt, and stir-fry with soy sauce until tasty. Pour vermicelli on the chopping board, add chopped donkey meat, sprinkle with pepper, aniseed powder, fragrant leaves, cinnamon powder, chopped leek and chopped green onion, and mix well to make stuffing. Mix flour with baking powder and baking powder. Knead dough with water (hot in winter, warm in spring and autumn, cool in summer). Knead into long strips, roll out a number of flour, roll them into bags one by one, and put them into stuffing. Put in a steamer and steam with boiling water for 20 minutes.