1. Wash both sides of the fat sausage repeatedly with salt and vinegar.

2. Rinse it with clear water, boil it in a clear water pot, take it out and clean it, add clear water, salt, cooking wine and spices to the pot and cook it, take it out and cut it into strips, cut tofu and pig blood into strips respectively, and boil tofu in a clear water pot and take it out.

3. Boil the pig's blood in a clear water pot, remove the floating foam, stir-fry the onion, ginger and garlic until fragrant, add the bean paste to stir-fry the red oil, add the broth, fat sausage, tofu, pig's blood and seasonings, simmer for 1 minutes, add chicken essence to taste, put in a bowl and sprinkle with garlic seedlings.