Seabuckthorn, alias Elaeagnus angustifolia, vinegar willow, yellow thorn, vinegar thorn, vinegar willow, etc. It is widely used in soil and water conservation because of its characteristics of wind and sand resistance and drought resistance. Seabuckthorn is widely planted in the northwest of China for desert greening. Seabuckthorn tastes sour, astringent and warm, and has the effects of relieving cough and resolving phlegm, resolving food stagnation, promoting blood circulation and removing blood stasis. Li Shizhen's Compendium of Materia Medica records that Hippophae rhamnoides is "solid, acid, warm and nontoxic". It is mainly used to treat chronic dysentery, abdominal distension, yellow and thin, and white worms in the lower inch. It is very effective to take it with wine. Those who hide salt and vinegar eat their body fluids to sober up and quench their thirst. " Seabuckthorn fruit is rich in nutrition, containing vitamins such as vitamin C, vitamin E and vitamin A, as well as active substances such as fatty acids, oily substances, seabuckthorn flavonoids, trace elements, superoxide and various amino acids. The content of vitamin C per 100g fruit juice can reach 825- 1 100 mg, which is known as "the king of vitamin C". Modern pharmacological research shows that seabuckthorn has the following functions: 1, seabuckthorn flavonoids can improve blood circulation, treat coronary heart disease and angina pectoris, and improve cerebral blood supply; 2. It has the effects of resisting oxidation, improving human body resistance, enhancing immunity and delaying aging; 3. Seabuckthorn has obvious antitussive, expectorant and antiasthmatic effects, and can also treat digestive system diseases such as dyspepsia and gastric ulcer; Seabuckthorn oil made from seabuckthorn can also treat eye diseases. Although seabuckthorn has such a good effect, only after extracting and concentrating the effective components can it achieve the corresponding therapeutic effect. Eating seabuckthorn fruit or drinking seabuckthorn drink at ordinary times can't achieve that great therapeutic effect. Therefore, we can eat some seabuckthorn food, which is good for health care.