1. Wash the pork spine and set aside with water
2. Prepare the ingredients, slice old ginger, and scallions into a handful
3. Put an appropriate amount of water in the pot, pour the ingredients
4. Add salt, dark soy sauce, light soy sauce, cooking wine
5. Boil the water and pour into the spine
6. Simmer on medium and small heat until the meat is rotten, soak for two hours and then remove and eat for more flavor
