Nutrition researchers found that compared with other 40 kinds of fruits and vegetables, blueberry ranks first in antioxidant capacity, and it is a fruit with high content of amino acids, zinc, iron, copper and vitamins. Medical research shows that blueberry is rich in pectin, which can effectively reduce cholesterol, prevent atherosclerosis and promote cardiovascular health. The anthocyanin pigment contained in blueberry has anthocyanin, can also prevent and treat melanin and pigmentation, and has the effects of whitening skin, slowing down skin aging, activating retina, enhancing vision, eliminating eye fatigue, preventing reactive oxygen free radicals, and improving night blindness, retinopathy caused by glaucoma and diabetes, cataracts and overuse of eyes. Especially blueberry extract, has a very specific effect on improving human amblyopia. Improve brain memory, improve intelligence, reduce cholesterol accumulation, improve cardiovascular function, prevent heart disease and urinary tract infection, enhance collagen, regulate blood sugar function, prevent stroke, make peripheral microvascular blood circulation smooth, and prevent and improve cold hands and feet; It is also rich in vitamin C and vitamin E, which can enhance heart function, prevent cancer and Alzheimer's disease, delay brain aging, improve brain power, treat capillary diseases caused by diabetes, and enhance resistance to infectious diseases. In addition, it contains potassium, which can also help maintain fluid balance in the body, maintain blood pressure and heart function. Drinking blueberry drinks often can help defecate, stimulate gastrointestinal peristalsis, and have the effect of reducing fat and slimming.