Zizyphus jujube contains rich nutrients and a variety of trace elements, and has unique nutritional and medicinal value. Even with seeds also function in the mouth by "manufacture" fluid treatment of xerostomia. Red date entrance, eat jujube meat, leave the core in the mouth contains a half of the day, mouth water often has, feel more to swallow, neither affect speaking, nor affect drinking water. Li Shizhen pointed out that the reason is that "people have dry mouth disease, heart kidney disharmony, kidney water, so dry and fluid consumption is also true". How to make the population of body fluid in the "bubble"? Li Shizhen is respected with this method by: "often with pit gas treatment, so in the fluid, the beautiful of pharynx." "This is to borrow jujube Shengjin bullied and pharynx and can achieve yellow Palace", with Chinese excuses to "make" fluid