Seabuckthorn blueberry beverage is a solid beverage made of fructooligosaccharide, seabuckthorn powder, isomaltooligosaccharide, blueberry powder, cranberry powder and black tea powder. Sweet and sour, with the aroma and taste of blueberry. Fructooligosaccharide is an activating and proliferating factor of Bifidobacterium in intestine, which can reduce and inhibit the production of spoilage substances in intestine, inhibit the growth of harmful bacteria, regulate the balance in intestine, and prevent diarrhea and constipation. Can promote the absorption and utilization of trace elements iron and calcium, and prevent osteoporosis; It can reduce liver toxin, protect intestinal mucosa and liver, thus preventing pathological intestinal cancer and enhancing immunity. Fructooligosaccharides can not be directly absorbed by human body, but can only be absorbed and utilized by intestinal bacteria, so its calorific value is low, which will not lead to obesity and indirectly help to lose weight, and diabetics can also drink it with confidence.