The invention provides a blueberry leaf health care beverage. The beverage comprises the following materials in weight portion: 30 to 50 portions of blueberry leaf, 10 to 30 portions of blueberry fruit, 5 to 10 portions of seabuckthorn fruit, 10 to 20 portions of
rose hip and 10 to 20 portions of
cordyceps militaris, and active ingredients of the materials are extracted by
microwave technique to prepare the beverage. In all materials,
vitamin C is abundantly contained, particularly,
cyanidin composition and
flavonoid contained in the blueberry leaf can
delay ageing, improve the
immunity of
human body and obviously improve eyesight of people and has a plurality of physiological activities such as
blood sugar and blood fat adjustment, and the like; the
cyanidin composition is a natural bacteriostat, colorants and bacteriostats are not necessary to be added, and
flavoring agents such as
citric acid are not necessary to be added to regulate the acidity, which is more helpful to the health of
human body. By the
verification of experiments and the experience of people, the health care beverage is easily absorbed by
human body and taken conveniently, and can obviously improve the
eyestrain of human body; moreover, the health care beverage also has the characteristics of unique formula, reasonable composition, simple process, body building-up, remarkable function and the like.