Sour jujube kernel has the function of nourishing the heart and benefiting the liver, tranquilizing the spirit and astringent sweating, and is mainly used for the regulation of palpitations, insomnia, forgetfulness, dreaminess, dizziness, headache, tinnitus, and other symptoms caused by deficiency of yin and blood in the heart and liver. In addition, due to the sour and astringent nature of sour jujube seed, has the effect of convergence of sweat, so it can also be used for the treatment of qi deficiency spontaneous sweating or yin deficiency night sweating, clinical Chinese medicine is often used in the menopausal syndrome in elderly women, due to night sweating, hot flashes, heartburn and heat, insomnia and dreaming, temper tantrums, and other symptoms of conditioning. In addition, sour jujube seed also has the effect of generating fluids, so it can also be used in the late stage of fever, fluid depletion, or yin deficiency caused by dry mouth, thirst and other symptoms of regulation. In addition, from the point of view of modern pharmacology, sour jujube kernel also has the effects of sedation, hypnosis, anti-arrhythmia, anticonvulsant, analgesic, sedation, lowering body temperature, lowering blood pressure, lowering blood fat.