1. Grind Colla Corii Asini, Walnut, Sesame, Jujube and Crystal Sugar into powder.

2. Pour all kinds of powder into the basin and stir.

3. Slowly add rice wine and stir. After it is even and has no particles, pour it into a purple sand pot and steam it in a steamer for two and a half hours, or cover it and steam it in a large pot. The fire lasts 15 minutes, and the fire lasts 1 half an hour.

4. The cooled purple sand can be eaten directly, and the pot is eaten in a clean container.

Practice 2: Guyuan Ointment Tablets

1. Put the rice wine and rock sugar together in a casserole and boil.

2. Put the donkey-hide gelatin into a small fire and cook until it is jelly-like.

3. Add sesame seeds, walnuts and red dates and stir. Turn off the heating.

4. Put it in a plate and flatten it. Slice and serve.