Shayuanzi decoction into the medicine is the best effect, has a tonic kidney and yang, solid essence shrink urine, nourishing the liver and brightening the efficacy of the treatment of lumbar and knee pain, enuresis, urination, frequent urination, and so on. Shayuanzi belongs to the yang tonic medicine in the deficiency medicine, for the legume plant flat stem astragalus dry mature seeds. Shayuanzi is sweet and warm in nature, and enters the liver meridian and kidney meridian. It has the effect of tonifying the kidney and helping the yang, consolidating semen and urine, preventing the leakage of semen and urine at will, nourishing the liver and brightening the eyes, and is long used in the treatment of lumbar-knee soreness, deficiency of the liver and kidney (weakness of the liver and kidneys), spermatorrhea and premature ejaculation, fainting of the eyes, dysuria, frequent urination, blood in the urine, and leucorrhoea. Sha Yuan Zi is a warm tonic and astringent product, and should not be taken by people with yin deficiency (deficiency of yin and essence in the body, and hyperactive deficiency fire), or dysuria (unsmooth urination). Allergy to salvia seeds is prohibited. If you have symptoms, you should take the medication under the guidance of a professional physician, do not take the medication blindly on your own, so as not to delay the condition or produce adverse reactions.