Cornus officinalis acts as a tonic for the liver and kidneys, astringent and solidifying (astringent consolidation), and is effective in treating dizziness and tinnitus, soreness of the lower back and knees, impotence and spermatorrhea, frequent urination, and metrorrhagia (excessive or spotty menstruation) with subluxation of the leucorrhea. Cornus officinalis is the dried mature fruit pulp of Cornus officinalis, family Cornaceae. The medicine is sour, astringent, slightly warm in nature, and belongs to the liver and kidney meridians, with the effects of tonifying the liver and kidney, astringency and fixing detachment. It can be used in the treatment of dizziness and tinnitus, lumbar and knee pain, impotence and spermatorrhea, frequent urination, leakage, sweating, internal heat and thirst (internal heat accompanied by excessive eating, drinking and urination) and other conditions. The adverse effects of Cornus officinalis are not known, but the drug tends to be nourishing, so a light diet and avoidance of spicy and stimulating foods are recommended. Before using Cornus officinalis, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a medical doctor.