The correct herbal name for Epimedium is Epimedium. “How many grams of Epimedium and Radix et Rhizoma Ginseng are needed to make water for drinking” should be based on factors such as individual constitution and condition, and cannot be generalized. Pharmacopoeia recommended daily dosage for adults is Epimedium 6-10g, Radix et Rhizoma Ginseng 9-30g. 1. Epimedium is the dried leaves of Berberidaceae plant Epimedium, Arrowleaf Epimedium, pilose Epimedium or Korean Epimedium. The medicine is pungent, sweet and warm in nature, with the effects of tonifying kidney yang, strengthening tendons and bones, and dispelling wind-dampness. It can be used to treat kidney yang deficiency, impotence and spermatorrhea, impotence of tendons and bones, wind-dampness and paralysis, and numbness and constriction of contracture. The adverse reactions and contraindications of the drug are not clear, but avoid eating spicy and stimulating food while taking it. Pharmacopoeia recommended dosage is 6-10g. 2. Ginseng is the dried tuberous root of Ginseng, family Staphylococcaceae. It is sweet, slightly bitter and flat in nature, with the effects of benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach), promoting the production of fluids and moistening the lungs, and can be used to treat conditions such as weakness of the spleen and body fatigue, loss of appetite, post-disease weakness, qi and yin insufficiency, and spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement) and thirst. The adverse effects of the drug are not known. The Pharmacopoeia recommends a dosage of 9-30g. It should be noted that Epimedium and Radix et Rhizoma Ginseng have limited efficacy when used in water and should not be used as a substitute for medication. The medication should be taken in accordance with medical advice.