1. Soak the screw head with water.
2. Pork bone bleeding water, wash away the scum.
3. Cut off the nails of the chicken feet, and rinse them with water on the snail head.
4. Cut the snails into small pieces.
5. Peel the yam and cut into pieces.
6. Red dates are pitted.
7. Put the above ingredients into an electric pressure cooker, pour water to the mark of 10 cups, and press the soup button to start boiling.
8. After the boil is exhausted, open the lid and skim off the fat.
9. Wash the medlar.
10. Put it in the soup, cover and simmer for 10 minutes. (Goji berries should not be boiled for a long time. After the soup is done, add it and simmer for 10 minutes.)
11. The soup is ready. (The snail has a salty taste, no need to add salt)
12. Nourish yin and beauty.
