1. Wash the dried ebony bought in the drugstore with clear water several times to remove impurities, and soak the ebony in cold water for more than five minutes.

2. Wash the dried hawthorn and soak it for five minutes.

3. Put the ebony and dried hawthorn into the pot.

4. Pour water once. Sprinkle a little dried osmanthus in the pot.

5. Add rock sugar and continue to cook for a few minutes.

6. Turn the heat down and cook for about an hour. The color becomes darker and the water content is reduced to about half.

7. After cooling, filter out the residue, put it in a sealed bottle, put it in the refrigerator and carry it with you. bottle