Cornus officinalis is the dried mature fruit pulp of Cornus officinalis, family Cornaceae. It is sour and astringent in flavor, slightly warm in nature, and belongs to the liver and kidney meridians, with the effects of tonifying the liver and kidney, astringent and fixing the hair loss. Cornus officinalis is used in treating dizziness and tinnitus, lumbar and knee pain, impotence and spermatorrhea, frequent urination, dysmenorrhea (excessive menstrual flow or dribbling), hypogonadism, profuse sweating, and internal heat and thirst (internal heat accompanied by excessive eating, drinking, and urination). The adverse effects of the drug are not clear. It should not be taken by those who are suffering from dampness-heat which leads to drenching of urine. Cornus officinalis can restrain sweating and stabilize defecation (stop excessive sweating and prevent defecation), and is an important medicine for preventing defecation of vital energy, but it should not be used as a tonic for vital energy. If you need to use this medicine, it is recommended that you use it under the guidance of a medical professional, not blindly.