1, black tea diuretic effect: black tea can increase renal blood flow, improve the glomerular passage rate, but also can expand the renal microvascular and factor renal tubular water absorption rate, contributing to the increase in loud and clear. This is because black tea contains caffeine and aromatic substances. This can help the body to excrete lactic acid, uric acid, excessive salt and harmful substances. It can dissolve the edema of nephritis caused by heart disease.

2, black tea anti-inflammatory sterilization effect: black tea in the polyphenolic compounds have anti-inflammatory effect, and then by the experimental discovery, catechins can be combined with unicellular bacteria, so that the protein coagulation and precipitation, so as to inhibit and eliminate pathogenic bacteria. So the bacterial lah disease and food poisoning patients drink black tea is quite beneficial, folk also commonly used strong tea coated wounds, bedsores and athlete's foot.

3, black tea detoxification effect: black tea contains theophylline can adsorb heavy metals and alkaloids in the body, and precipitation decomposition, for the modern often subject to drinking water and video pollution of modern people, is a very good thing.