Sour date kernel can be chosen to match with different medicines depending on the patient’s physique and condition and so on. There is no such thing as the best partner. Sour jujube kernel, has the effect of nourishing the heart and benefiting the liver, tranquilizing the mind and astringing sweat. It is mainly used for blood deficiency palpitations (rapid heartbeat, often accompanied by panic), dazed and anxious (violent heartbeat, panic and restlessness), forgetfulness, insomnia, dreaming, dizziness, body weakness and spontaneous sweating (involuntary sweating during the daytime, sweating is aggravated by the slightest movement), night sweating (sweating abnormally after going to sleep, waking up sweating stops), and fluid injuries, thirst, and dry throat, and so on. Sour Jujube Seed is used in treating insomnia caused by deficiency of heart, liver and blood, such as dreaming, waking up easily and palpitation, etc. It is often combined with He Shouwu (何首乌), Longan Meat (龙眼肉), and Pachypodium Aristolochiae (柏子仁), etc. It is also used in treating insomnia caused by deficiency of the liver and heat, such as Chuanxiong Ligustici (川芎), Zhimu (知母), Poria (茯苓). Pregnant women and people with preeclampsia should not take large quantities of jujube seed as a single medicine. If you need to use the medicine, you should go through the doctor’s diagnosis and follow the doctor’s instructions to standardize the treatment.