Epimedium in water to drink how long to see the effect in general, can not be generalized. The taking time of the drug is mainly determined by the patient’s condition and the tolerance of the patient’s physique, the right treatment can receive good results. Epimedium has the effect of tonifying the kidney and Yang, strengthening the muscles and bones, and dispelling wind and dampness. Epimedium is a traditional Chinese medicine that can tonify the kidneys and strengthen yang (the effect of tonifying the kidneys and yang), and it can also strengthen the muscles and bones, and it also has the effect of dispelling wind and removing dampness (dispelling wind and dampness from the body). It can be used to treat diseases caused by kidney yang deficiency (lack of yang energy in the kidneys), such as impotence, frequent urination, and rheumatism paralysis and pain. Clinically, Horny Goat Weed with Ba Ji Tian is used for treating impotence, dysuria and infertility due to deficiency of kidney yang; Horny Goat Weed with Xian Mao is used for treating impotence and coldness of semen, frequent urination, and weakness of muscles and bones; Horny Goat Weed with Bone Marrow is used for treating rheumatism and paralysis; Horny Goat Weed with Cistanches is used for treating impotence and premature ejaculation due to deficiency of blood and semen; Horny Goat Weed with Rehmanniae is used for treating impotence and menstrual disorders due to insufficiency of kidney yang. The adverse reaction aspects of Epimedium are dry mouth, nausea and dizziness. It is not recommended for those with yin deficiency and fire (deficiency of yin and essence in the body and hyperactive deficiency fire). The efficacy of the infusion is limited, it is difficult to achieve the above effects, it is recommended to use under the guidance of a doctor to identify the evidence, and not to blindly use the drug on their own, so as not to cause adverse consequences.