Oyster Soup
1.
Prepare 8 winter oysters.
2.
Wash red dates and other materials.
3.
Wash the pig bones and dry the blood.
4.
Put all the ingredients in the pot, add the right amount of water to a boil and turn to a low heat.
5.
Simmer for 1.5 hours.
6.
Add the right amount of salt to taste.