2. After the blood of beef is basically boiled, remove the beef and let it cool.
3. In another soup pot, add 3 bowls of water and bring to a boil. Add dried Chili, ginger slices, star anise, cinnamon, geranium, pepper, clove, nutmeg and tsaoko, and cook for 5 minutes.
4. Put beef, soy sauce, soy sauce and cooking wine into the pot, bring to a boil with high fire and stew for 40 minutes with low fire.
5. Take out the beef and let it cool, then put it back in the pot and cook for 15 minutes, then turn off the fire and let the beef marinate for two hours.