1. Soak Agrocybe aegerita in water for a while and then wash it several times.
2. After the duck is washed, scald it with hot water.
3. Put a proper amount of water in the casserole and put the duck in the soup.
4. Wash the soaked Agrocybe aegerita and put it in a casserole.
5. Put some big red dates.
6. Cover the pot and bring it to a boil, then switch to low heat 1.5 hours.
7. Season with salt before drinking.
8. Finished product drawing.