Sour jujube leaves are the leaves of the plant sour jujube in the family of Rhamnaceae, this leaf is not a drug, and does not have the efficacy of treating diseases, and there is no special efficacy and effect of drinking water with its infusion. The dried mature seeds of sour jujube, family Rhamnaceae, is a traditional Chinese medicine, called sour jujube kernel, sour jujube kernel is flat, sour and sweet, has the effect of nourishing the heart and tonifying the liver, tranquilizing the heart and tranquilizing the mind, and generating fluids and converging sweats. Clinically, sour jujube kernel is often paired with he shou wu, longan meat, cypress seed kernel to alleviate the deficiency of the heart, liver and blood caused by dreaming and waking up easily, palpitations (heartbeat accelerated, often accompanied by panic), false annoyance (caused by the body’s heat) insomnia syndrome. For those who suffer from night sweating (abnormal sweating after falling asleep and stopping sweating after waking up) or spontaneous sweating (involuntary sweating during the day, aggravated by the slightest movement of sweating), and who suffer from insomnia, sour jujube leaves can be paired with bai shao (white peony), shan shu (cornelian cherry) and wu wei zi (schizandra chinensis). Sour jujube leaves are not medicinal herbs, can not be used indiscriminately to make water to drink, if you want to cure the disease, need to use the medicine under the guidance of a professional doctor, so as not to delay the condition.