Sour jujube kernel for insomnia should be decocted, powdered, or put into pills or powders, and it is recommended to take other medicines together under the guidance of a doctor’s diagnosis. Sour jujube kernel is a kind of Chinese medicine. It is sweet and sour in flavor, flat and warm in nature, and is attributed to the heart, liver and gallbladder meridians. It has the effect of nourishing the heart, benefiting the liver and tranquilizing the mind. It is used for palpitations (rapid heartbeat, often accompanied by panic), insomnia, dreaminess, spontaneous sweating (involuntary sweating during the day, aggravated by the slightest movement of sweating), and thirst and dryness of the throat due to injury of the body fluid. It can be used as decoction, powder or in pills or powder. Sour jujube seed may cause skin allergy, itching, urticaria, chest tightness, dizziness, drowsiness and other adverse reactions in a few patients. It should not be used in combination with Fenghui. It should not be taken by those who have external symptoms (mainly manifested as respiratory symptoms after feeling external evils) or those who have not completed the symptoms of external symptoms. Pregnant women and people with preeclampsia should not take large quantities of a single herb. If there is a need for medication, it should be used under the guidance of a doctor and should not be used blindly by oneself to avoid adverse consequences.