1. Prepare white fungus, rock sugar, and wolfberry.
2. Soak the white fungus in advance; wash and tear small flowers for later use.
3. Wash the medlar and soak in cold water for a while.
4. Put the white fungus in a clay pot and add cold water; bring to a boil on high heat and simmer on low heat for 30 minutes.
5. Pour the wolfberry and simmer for 10 minutes.
6. Add rock sugar, cook for 5 minutes, simmer until saccharified.
7. Put the stewed white fungus soup in a bowl and serve warm.
