Cornus officinalis functions as astringent, tonifying the liver and kidneys, etc. It is used for treating dizziness and tinnitus, impotence, spermatorrhea, frequent urination, dysuria, discharges of menstruation (excessive menstruation or more than a few drops of menstruation), lumbar and knee pains, internal heat and thirst (internal fever accompanied by symptoms of overeating and excessive drinking and urination), and profuse sweating and defecation. Specific should follow the doctor’s prescription. Cornus officinalis is the dried mature fruit pulp of Cornus officinalis used in medicine, belongs to a kind of sour flavor, astringent, slightly warm nature of the Chinese herbal medicine, belongs to the liver meridian, kidney meridian. The adverse effects of Cornus officinalis are not clear, and it is contraindicated in people who are suffering from fire in the life gate (kidney yin deficiency, yin deficiency and fire, resulting in exuberant kidney yang fire), have a history of dampness-heat, or have urinary dribbling and astringency (burning sensation in the urine). Cornus officinalis is used in the treatment of disease, should be used by the doctor to identify and match other drugs, should not be self-medication, so as not to delay the condition.