Yin Yang Suo Granules is composed of Epimedium extract and Schisandra chinensis extract, in which Epimedium can nourish kidney yang, strengthen muscles and bones, and dispel wind-dampness? It is used for kidney deficiency, impotence, spermatorrhea, premature ejaculation, lumbar and knee soreness, and cold limbs and fear of cold. Schizandra can astringe the lungs, nourish the kidneys, promote the production of fluids, collect sweat, astringent, used for the treatment of spermatorrhea, prolonged diarrhea. Yin Yang Suo Granules has the effects of tonifying the kidney, strengthening the yang, generating fluids, fixing ejaculation, and strengthening the essence, and is mainly used for male impotence, premature ejaculation, soreness and weakness of the waist and knees, spontaneous sweating due to deficiency of fluids, and dizziness of the head and eyes. The medication should be taken under the guidance of a professional doctor or pharmacist, do not take medication or stop taking medication without authorization, so as not to affect the therapeutic effect caused by the drug.