Green tea can lower blood pressure, because green tea contains catechin compounds, namely theaflavin, can antioxidant, anti-inflammatory, at the same time can soften blood vessels, protect the elasticity of blood vessels, so as to play the role of lowering blood pressure, reduce the incidence of cardiovascular disease. It can also prevent the occurrence of cancer, reduce blood lipids, regulate intestinal flora and other effects, so in addition to lowering blood pressure can also promote cardiovascular and vascular rehabilitation, regular drinking tea is beneficial to the human body. But for people with high blood pressure, they also need to quit smoking, quit drinking, low salt, low fat diet, regular oral antihypertensive drugs, appropriate exercise, regular monitoring of blood pressure, regular hospital visits to review and adjust the drugs, in order to well control blood pressure, drinking tea can only be a conditioning process, and not as the main method of hypertension antihypertensive treatment.