Generally speaking, taking sour jujube kernel as prescribed by the doctor will not damage the liver, but overdosing or not taking sour jujube kernel as prescribed by the doctor may damage the liver. Sour jujube kernel has the effect of nourishing the heart and tonifying the liver, calming the heart and tranquilizing the mind, restraining sweating, and generating fluids, so it should be used in accordance with doctor’s instructions. Sour jujube kernel is sweet and tonic, and enters the heart and liver meridians, with the effect of nourishing the heart yin and benefiting the liver blood, it is an important medicine for nourishing the heart and tranquilizing the mind (stabilizing the mind by nourishing the heart), and it is mainly used for treating the deficiency of the heart, liver, yin and blood, loss of the heart’s nourishment, palpitation (heartbeat speeding up, often accompanied by panic), palpitations (heart beat is rapid and often accompanied by panic), palpitation of the heart (heart beat is violent, and the mind is restless with fear), insomnia (emptiness and irritation, and the inability to sleep), and excessive dreaming. Sour jujube kernel taste sour can convergence, have the effect of convergence to stop sweating, the treatment of deficiency sweating (involuntary sweating during the day, the slightest movement of sweating aggravated) night sweating (abnormal sweating after going to sleep, wake up sweating to stop), with white peony, schizandra, Cornu Cervi Pantotrichum; sour jujube kernel and convergence of yin to produce fluids to quench thirst (to promote the generation of fluids to relieve thirst) of the function of the fluids can be used for the injury to the thirst of the throat dry symptoms. It can be used to alleviate thirst and dryness of the throat. It should be taken with caution for those who are suffering from solid evils and fire, and those who are suffering from slippery drainage. Sour date kernel should be used under the guidance of a doctor.