The invention discloses green tea beverage taking Chinese herbal medicine such as crataegus, semen cassiae, lotus leaves and apocynum venetum as raw materials. The green tea beverage has the effects of assisting blood lipid reduction and blood pressure reduction and the like, is suitable for patients suffering from high blood pressure and high blood lipid to drink and is capable for effectively improving the QOL (Quality Of Life) of the patients. Each 1000 parts by weight of the green tea beverage is prepared by the following raw materials in parts by weight: 20 parts to 30 parts of fresh green tea leaves, 20 parts to 30 parts of crataegus, 15 parts to 20 parts of semen cassiae, 10 parts to 15 parts of lyceum barbarum, 10 parts to 15 parts of lotus leaves, 10 parts to 15 parts of stevia rebaudiana, 8 parts to 10 parts of polygonum multiflorum, 8 parts to 10 parts of alisma plantago-aquatica, 5 parts to 10 parts of chrysanthemum, 10 parts to 15 parts of apocynum venetum, 3 parts to 5 parts of glycyrrhiza uralensis, 5 parts to 10 parts of phyllanthus emblica freeze-dried powder, 5 parts to 10 parts of isomalto-oligosaccharide, 1 part to 5 parts of citric acid, 1 part to 3 parts of sorbitol, 1 part to 2 parts of sodium isoascorbate and 1 part to 5 parts of laminarin. The green tea beverage disclosed by the invention not only has the functions of traditional green tea of clearing heat to relieve thirst, promoting the production of body fluid to relieve thirst and the like, but also has the function of assisting the blood lipid reduction and the blood pressure reduction, and the green tea beverage is suitable for crowd of high blood pressure, high blood fat and high blood sugar to drink and is health beverage which is remarkable in healthcare effect and green and environment-friendly.