Aronia (Aronia Melanocarpa) melanocarpa is a rosaceae shrub, native to the northeast of North America. Later China has introduced 8 species from abroad, and has already possessed relatively rich resources. This species is a precious tree with edible, medicinal, garden and ecological value. Polyphenols are very important substances to improve the structure and function of capillaries and blood vessels, and also help to stimulate and improve the circulatory system. Anthocyanins and flavones keep the heart and body healthy. The content of anthocyanin, flavonoid (up to 0.25%-0.35% in fresh fruit) and polyphenols in the fruit of aronia melanophora is the highest among known plants. Its fruit also contains rich vitamins and mineral elements and other substances. The fruit and its extract have special curative effect on heart disease, hypertension and other cardiovascular and cerebrovascular diseases, and are widely used in medicine and functional food industry in Europe and America.