The mature fruit of Cornus officinalis is a traditional Chinese medicine, alias Cornus officinalis, medicinal jujube, jujube peel, Ziziphus jujuba, meat jujube, potato jujube, chicken foot, real jujube, Cornus officinalis, medicinal jujube, Tian Mu seed, sweet potato meat and real jujube. The taste is sour, astringent and slightly warm. Liver and kidney meridians entered. Functions are mainly used to tonify liver and kidney, astringe essence and remove stagnation. It can be used for dizziness, tinnitus, soreness of waist and knees, impotence, nocturnal emission, frequent enuresis, metrorrhagia, leukorrhagia and sweating. Internal heat quenches thirst. Use 1. for liver and kidney deficiency, dizziness, tinnitus and backache. Compatible with Radix Rehmanniae Preparata, Fructus Lycii, Semen Cuscutae, Eucommiae Cortex, etc. 2. Used for nocturnal emission, enuresis, frequent urination, and excessive sweating. It can be used for nocturnal emission and frequent micturition caused by deficiency of kidney-yang, and is often used in combination with Radix Rehmanniae, Semen Cuscutae, Fructus Tribuli in Shayuan and Fructus Psoraleae. For excessive sweating, this product has the function of astringing sweating, and can be used equally with keel and oyster. In addition, it can consolidate menstruation and stop bleeding, and can be used to treat women's physical weakness and menorrhagia, and can be combined with Radix Rehmanniae Preparata, Radix Angelicae Sinensis and Radix Paeoniae Alba. Medication should be avoided: those who have excessive fire, strong yang, damp heat and astringent urine should not take it.