2. Add cold water to beef bones and heat them. After the water is boiled, skim off the foam and cook for three minutes to remove the fishy smell of bones.
3. Pick up the beef bones, rinse them and put them in the soup pot.
4. Add ginger, codonopsis pilosula, black beans, red dates and medlar.
5. Bring the fire to a boil, simmer for 1.5 hours, add lotus root and simmer for about two hours.
6. After boiling for enough time, add salt and chicken essence to drink.