External heat disease, internal heat blazing, yin deficiency and fire (Yin essence deficiency in the body, the emergence of deficiency fire hyperactivity) and other people should not be long-term large quantities of Epimedium brewed with water to drink. Epimedium is a traditional Chinese medicine, for the Berberidaceae Epimedium plants Epimedium, arrow leaf Epimedium, Wushan Epimedium, Korean Epimedium, pilose Epimedium and other stems and leaves. Alias Gangqian, Xianlingtian, Xianlingbi, Huanglianzu and so on. This medicine is pungent, sweet and warm in nature, and belongs to the kidney and liver meridians. It has the effects of dispelling wind and removing dampness (getting rid of wind and dampness in the body), tonifying the kidney and strengthening yang (tonifying the kidney’s yang), and strengthening the tendons and bones, so it can be used for treating impotence, spermatorrhea, as well as wind-dampness paralysis, impotence of tendons and bones, which are caused by insufficiency of kidney yang (lack of yang in the kidneys). Note that the medicine is pungent and warm, so people with external fever, internal heat, yin deficiency and fire should not take the single medicine in water for a long time, so as not to hurt the yin and help the fire. If necessary, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the evidence, according to their own circumstances, reasonable choice, not to take on their own, so as not to delay the condition.