Sha Yuan Zi can be taken internally as a herbal decoction. Sha Yuan Zi is the dried mature seeds of the legume Astragalus flat-stemmed. It is sweet in flavor and warm in nature. It belongs to the liver and kidney meridians. It can tonify the kidney and help Yang, consolidate semen and urine (consolidate semen and urine to prevent random leakage), nourish the liver and improve eyesight. Used for kidney deficiency and lumbago, spermatorrhea and premature ejaculation, urination and frequent urination, leucorrhea (cloudy urine like white slurry), dizziness, dark eyes and dim flowers. Shayuanzi warm, where the external heat disease, solid heat within the blazing, yin deficiency fire (Yin essence deficit in the body, the emergence of false fire exuberance), blood deficiency and other evidence should not be a single drug a large number of long-term use. It is recommended to use the drug under the guidance of a doctor, do not take the drug on your own.