The price of Sha Yuan Zi is about 40~80 yuan per catty, but the price is not fixed due to factors such as origin and quality of herbs. This product has the effect of tonifying the kidney and aiding the yang, consolidating semen and urine (consolidating semen and urine, preventing random leakage), and nourishing the liver and brightening the eyes. Sha Yuan Zi was first published in Diffractions of the Materia Medica. This product is sweet, warm and not dry, and mainly enters the kidney meridian, with the effect of tonifying the kidney and assisting the yang, as well as collecting and astringing. It is suitable for kidney deficiency and lumbago, frequent urination, impotence and spermatorrhea. This product can also tonify the liver and kidney, benefit the essence and nourish the liver and brighten the eyes, suitable for liver and kidney insufficiency (liver and kidney weakness), eye loss of nourishment of the eyes dark and dim, dizziness and vertigo. Sha Yuan Zi will be affected by different places of origin, different specifications and other factors, the price will vary, generally 40 ~ 80 yuan per catty, it is recommended to the local regular pharmacy to buy. The adverse reaction of Sha Yuan Zi is not clear, Yin deficiency fire (body Yin essence loss, the appearance of excessive fire) and urine unfavorable (urine is not smooth) should not be taken. The drug must be used under the guidance of a doctor, do not blindly self-medication.