Sour Jujube Seed Syrup is helpful for insomnia as it clears heat and fire (removing heat and fire from the body), nourishes the blood and calms the mind (stabilizing the mind and soothing the emotions by nourishing the blood). Sour Jujube Seed Syrup consists of Sour Jujube Seed, Poria, Zhi Mu, Rhizoma Ligustici Chuanxiong, Glycyrrhiza Glabra, and Cane Sugar, and is used in the treatment of Void Vexation and Insomnia (empty and irritable, unable to sleep), which is caused by deficiency of Liver and Blood, Blood does not nourish the Heart, and Deficiency of Heat Disturbance of the Heart and the Mind. Although the syrup of sour jujube kernel can help improve insomnia and stabilize mood, it is not recommended to take it in excess. Overdose of sour jujube kernel is prone to cause fainting and drowsiness and other adverse reactions, and is also prone to dependence. In addition, it is not recommended for diabetics due to the presence of sucrose in the ingredients. The use of the drug is recommended to consult a professional doctor.