Drinking black tea is not able to lower blood pressure, although black tea contains tea polyphenols, tea polyphenols can relieve emotions, to avoid excessive emotional tension, anxiety, but drinking tea does not have a clear role in lowering blood pressure. If you want to drink tea, you can drink chrysanthemum tea or hawthorn tea, which is conducive to promoting digestion, softening blood vessels, improve circulation, indirectly play a role in promoting blood pressure down. Patients with hypertension should usually eat more green vegetables and fruits rich in fiber and vitamins to help soften blood vessels, lower blood lipids and prevent atherosclerosis. It is also necessary to carry out appropriate physical exercise to enhance heart and lung function, which is also conducive to weight control. Patients with hypertension should also quit smoking and limit alcohol, and avoid excessive stress and anxiety.