The price of sour date palm kernel is affected by its place of production, quality, distributors and the supply and demand relationship in the market, and there is no uniformly set price. The current retail price in the market ranges from 200 yuan to 400 yuan. Sour jujube seed, sweet in flavor, enters the heart and liver meridians, can nourish heart yin, benefit liver blood and tranquilize the heart and mind, and is a key medicine for nourishing the heart and tranquillizing the mind (stabilizing the mind by nourishing the heart). It is used in treating deficiency of heart and liver yin and blood, loss of nourishment of the heart (loss of nourishment of the heart), palpitation and dreaming (palpitation and frequent dreaming due to shock). This product is acidic and astringent, with the effect of astringency and stopping sweating, and can be used in the treatment of spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement), night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), etc. The adverse effects of this product are not clear. The adverse effects of this product are not clear, where there is solid evil and fire and those who suffer from slippery ejaculation should be taken with caution. Sour date kernel needs to be purchased from the regular market to ensure its quality. Its use should be under the guidance of a professional physician and should not be used on its own to avoid risks.