2. Step: Wash the sheep bones and put them in boiling water.
3, pick up, wash away the blood foam, be careful not to wash away the bone marrow of sheep bones.
4. Re-boil a pot of water and add enough water at a time.
5. Add ginger, garlic and onion knots, add sheep bones, add a spoonful of vinegar and cook for 15 minutes.
6. Turn to low heat and cook for 2-3 hours to get a pot of white sheep bone soup.