Sour jujube kernel with water, take the right amount of sour jujube kernel directly with boiling water can be brewed. Sour jujube kernel is the dried mature seeds of sour jujube of Rhamnaceae plant, its flavor is sweet, sour and flat, when brewing with water, you can first put the right amount of sour jujube kernel in the cup directly with boiling water, and then you can drink it after a moment’s rest. Sour jujube kernel has the effect of nourishing the heart and tonifying the liver, tranquilizing the heart and tranquilizing the mind, converging sweating and generating fluids, etc. It can be used for the treatment of deficiency and insomnia (void and irritability, unable to sleep), palpitation and dreaming (palpitations and frequent dreaming), fluid injury and thirst, and deficiency and sweating, etc. However, its use in brewing water can play a role in the treatment of deficiency. However, the use of water can play a limited role in the efficacy of drugs, so it can not be used in place of drugs for the treatment of disease, such as discomfort, should also actively seek medical treatment.