Sour jujube kernel has the effects of nourishing the heart and tonifying the liver, calming the heart and tranquilizing the mind, restraining sweating, and generating fluids. It is used for insomnia (empty and irritable, unable to sleep), palpitation and dreaming (palpitation when frightened, often dreaming), excessive sweating, and thirst due to injury of body fluid. 1. Palpitation (rapid heartbeat, often accompanied by panic) insomnia. Because of its sweet taste, sour jujube kernel enters the heart and liver meridians, nourishing the heart yin and tonifying the liver blood, and thus has the effect of tranquilizing the mind, it is a key medicine for nourishing the heart and tranquilizing the mind (stabilizing the mind by nourishing the heart). It is the main treatment for palpitations, forgetfulness, insomnia and dreams caused by blood deficiency in the heart and liver, and is often used together with blood and yin tonic medicines such as Angelica sinensis, Radix Paeonia lactiflora sinensis and Radix et Rhizoma Polygoni Multiflori. 2. spontaneous sweating (involuntary sweating during the day, aggravated by sweating with slight movement), night sweating (abnormal sweating after going to sleep, sweating stops after waking up). Sour jujube kernel is acidic and has the effect of stopping sweating by astringency. It is often used in the treatment of spontaneous sweating and night sweating, together with medicines such as schizandra, cornelian cherry, astragalus, etc. to benefit the vital energy and stop sweating by consolidating the surface of the muscle. 3. Thirst due to fluid damage. Sour jujube nut is sour in flavor, acid can be astringent, so there is astringent yin, produce fluids to quench thirst (to promote the production of fluids to relieve thirst) function, can cure heat disease injury to the fluids, thirst and dry throat, often with gypsum, motherwort, raw land and other products to clear heat and nourish yin used together. Anyone who has a solid evil and fire and suffers from slippery ejaculation should take it with caution. It is recommended to take under the guidance of a professional physician to identify the evidence, not blindly self-medication, in order to avoid misunderstanding the condition.