Methods: Mash the medicine, wrap it in summer cloth, put it in detergent, soak it in wine, seal it, and remove the residue after 8 days.
Indications: kidney yang deficiency, impotence, diarrhea, spleen and stomach deficiency and cold, and dull complexion.
Usage: Drink 10 ml warm water on an empty stomach every time, once every morning and evening.