Cornus officinalis has the efficacy of fixing and astringent, tonifying the liver and kidney, and can be used for the treatment of sweating, impotence, urination and frequent urination, and dislocation of menstruation (excessive menstruation or dribbling). Cornus officinalis is the dried flesh of Cornus officinalis (Cornusaceae), which belongs to the liver and kidney meridians. It is sour and astringent in flavor, slightly warm in nature, and has the efficacy of consolidating and astringent, tonifying the liver and kidney, which can be used for treating frequent urination and spermatorrhea and is an important medicine for consolidating and preventing spermatorrhea. It can also be used for the treatment of internal heat and thirst (internal heat accompanied by excessive eating, drinking and urination), deficiency of liver and kidney (weakness of liver and kidney), impotence, dizziness and tinnitus, lumbar and knee pain, sweating, excessive menstruation, metrorrhagia, and leucorrhagia (excessive menstruation or more than a few drops of menstruation). The adverse effects of this product is not clear, pay attention to the body with dampness and heat resulting in urinary dripping should not be taken, the use of drugs need to be used under the guidance of a physician, do not use the drug on their own.