The cooked sour jujube kernel is usually referred to as fried sour jujube kernel. Fried sour jujube kernel has the basic effects of nourishing the heart and tonifying the liver, tranquilizing the heart and calming the mind, and is suitable for the restlessness of the heart and the mind, and insomnia caused by deficiency of heat in the body. Fried sour jujube kernel is sweet in flavor and enters the heart and liver meridians, it has the effect of nourishing the yin and blood of the heart and liver, it is suitable for palpitations of the heart and liver with deficiency of yin and blood and lack of nourishment of the heart and spirit, and insomnia and dreaming of the false annoyance, it can be used together with Poria, Maitong, and the production of He Shouwu. If the treatment of restlessness of the heart belongs to the heart and spleen qi and blood deficiency, with angelica, astragalus, poria, etc.; belongs to the heart and kidney deficiency, yin and blood deficiency, internal disturbance of fire, with schizandra, shengdi, maitake and so on. Fried sour jujube kernel can also astringent yin to stop sweating (astringent yin fluid, reduce sweating), produce fluids to quench thirst, suitable for excessive sweating, fluid injury and thirst. The adverse effects and contraindications of this product are not known. The drug must be used under medical supervision.