Shayuanzi can treat premature ejaculation, but the Chinese medicine more with other drugs to play a role in the use of single drug efficacy is limited. The specific effect varies from person to person, you need to follow the doctor’s instructions for medication. Shayuanzi is a leguminous plant flat stem astragalus dry mature seeds, more raw or salted water roasted with. Its flavor is sweet, warm. The main into the liver, kidney meridian. It has the effect of tonifying the kidney and assisting yang, consolidating semen and urine, preventing random leakage, and nourishing the liver and brightening the eyes. It is used for treating kidney deficiency and lumbago, spermatorrhea and premature ejaculation, urination and frequent urination, hypogonadism, dizziness, and dark and blurred eyes. Because of the sweet warm tonic at the same time with astringent, so can tonic liver and kidney and good astringent. Therefore, clinically, it is often paired with dragon bone, oyster, lotus seed, etc., used for the treatment of spermatorrhea and premature ejaculation, urination and frequent urination, leucorrhoea. To relieve kidney deficiency and lumbar pain, it is often used together with eucommia, sequestrum, and sang huai sheng. The adverse effects of this drug are not clear. As this product is a warm tonic and astringent product, it is not suitable for patients with yin deficiency and fire (deficiency of yin essence in the body and the appearance of hyperactive deficiency fire), or dysuria (unsmooth urination). It is recommended to use this product under the guidance of a doctor. If there is any discomfort in the body, consult a doctor as soon as possible and follow the doctor’s instructions to use the medication, do not take the medication on your own.