Roasted Horny Goat Weed, with the effect of tonifying the kidney, strengthening the yang (the effect of tonifying the kidney and yang), strengthening the tendons and bones, is used for impotence and spermatorrhea, rheumatism and paralysis. Epimedium, with the effect of tonifying the kidney and yang, strengthening the tendons and bones, dispelling wind and removing dampness. It is used for treating kidney yang deficiency, impotence and spermatorrhea, frequent urination, rheumatic paralysis, bone impotence and paralysis. Raw horny goat weed is good at dispelling wind-dampness, mostly used for wind-cold-dampness paralysis (wind, cold, dampness three kinds of evil qi invade the human body leading to paralysis of limbs), hemiplegia, poliomyelitis. Sheep fat oil is sweet and hot, can warm the cold evil, benefit the kidney and tonify yang, so the sheep fat oil system, can enhance the warm kidney and yang (warm tonifying the kidney yang qi) of the function, commonly used to treat kidney yang insufficiency (lack of yang qi of the kidneys), impotence, uterine cold and infertility. It should be noted that it is contraindicated for people with yin deficiency (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire). Patients should not apply it on their own if their condition requires it, and it is recommended to apply it under the guidance of a professional doctor to avoid the occurrence of adverse events.