The invention relates to a liquid beverage, in particular to a tea beverage with the functions of lowering pressure, lowering sugar and lowering fat. The tea beverage is prepared from the following raw materials according to parts by weight: 2.5-4 parts of bigdentate ampelopsis, 1.5-3 parts of gynostemma pentaphyllum, 1.5-4 parts of ginkgo leaf, 1.2-2 parts of hawthorn, 0.8-1.5 parts of honeysuckle, 0.35-0.7 part of snakegourd root and 48-53 parts of water. The invention is prepared into a tea beverage form, is convenient to carry and does not contain caffeine, tea polyphenol, biologic grain enzymes and additive sugar molecules. In the invention, each 350ml contains 60mg of effective components, such as amino acid, ginkgetin, malic acid, oleanolic acid, saponin, linolenic acid, alpha spinasterol and the like. The invention is prepared by various natural Chinese herbal medicines through squeezing and extraction, is evolved according to a thirst-eliminating drink in the secret recipe ofHua Tuo, is combined with the scientific formula of the modern preventive medicine, is processed and refined by adopting a modern low molecular precipitation technology and a high-pressure vacuum packaging technique, has the unique effect of health care, lowers sugar, pressure and fat and also has the functions of calming the brain, soothing the nerves and replenishing vitamin E.