Black currant, also known as black bean fruit, is also known as black currant. It is the fruit of the black currant of the Camellia genus in the Tiger Grass family. In cold regions of Europe and America, there are many varieties of berries that have been artificially cultivated. They are one of the important fruit trees in the berry family and are edible. They are a perennial small shrub that grows in the cold regions of northern China. The black currant produced in the Ili region of Xinjiang, China, comes from the Tianshan Mountains at an altitude of over 1400m. The unique climate has created its unique style, and it is far from urban pollution, safe to eat, and worry free. The black currant juice produced from it has a transparent deep gemstone red or purple red color. Black currant extract is an active substance extracted from black currant fruit, which is rich in pigments, especially a large amount of anthocyanins. It has various pharmacological activities such as promoting resynthesis of rhodopsin, improving circulation, anti ulcer, anti-inflammatory, and can significantly improve eye fatigue. It also contains rich unsaturated fatty acids, among which linoleic acid has the highest content. It has the effects of lowering blood pressure, blood lipids, anti atherosclerosis, etc. It can also inhibit platelet aggregation, reduce serum cholesterol, increase linoleic acid synthesis, and soften blood vessels. It is a good therapeutic agent for cardiovascular diseases. Due to its numerous unique chemical components, blackcurrant extract has significant applications in the beverage industry and medicine. It is an excellent raw material for brewing, extracting natural pigments, and producing cosmetics, drugs, and food.