2. Put enough water into the pot, add the ebony and hawthorn, then add the prepared licorice and osmanthus, heat and boil, then boil for half an hour with medium fire, then add the rock sugar, and cook for 6 to 7 hours with low fire. When the water in the pot is removed, half of it is homemade, and the ebony soup is cooked. After taking it out, it can be filtered and cooled, it can be directly drunk.