The efficacy of Epimedium is to strengthen the muscles and bones, tonifying the kidney and yang, etc., but the efficacy of drinking water is limited, and should be used in accordance with medical advice. Epimedium is a kind of Chinese herbal medicine with pungent flavor, sweetness and warmth. It has the effect of strengthening the muscles and bones, dispelling wind-dampness, and tonifying kidney yang. It is used for kidney yang deficiency (deficiency of yang qi in the kidneys), rheumatism and paralysis, spermatorrhea, impotence, impotence of the tendons and bones (weakness of the joints of the limbs), and numbness and contracture. Epimedium is used in decoction for internal use, or soaked in wine, boiled into paste, made into pills, powder, external use can be appropriate amount of decoction for gargling. The effective dose of this product in water is limited, and it is difficult to achieve the therapeutic effect. People with yin deficiency and fire (deficiency of yin and essence in the body and hyperactive deficiency fire) are forbidden to take Epimedium, and the adverse effects of this product are not yet clear. If used for treatment of disease, it should be reasonably used under the guidance of a Chinese medicine practitioner to identify the evidence.