Elevated blood pressure, either with or without symptoms, varies from body to body. Many people have elevated blood pressure, because they heard that “hypertension requires lifelong medication”, “once you take hypertension medication can not stop”, and they have no symptoms, they have been holding, simmering not to take medication; or fear of drug side effects insist not to take medication; some are to find a variety of prescriptions, qigong and other methods to “cure” hypertension (in fact, ineffective). Unbeknownst to them, in the day by day delay, the complications of hypertension is often referred to as “target organ damage” is also gradually and insidiously developed day by day. The main complications of hypertension include: 1, heart complications, such as cardiac hypertrophy, heart failure, coronary heart disease, myocardial infarction, arrhythmia, etc.; 2, brain complications, such as carotid arteriosclerosis, stroke (cerebral hemorrhage, cerebral infarction), brain atrophy, dementia, etc.; 3, kidney complications, such as renal arteriosclerosis, proteinuria, renal impairment and even uremia; 4, eye complications, such as bleeding of the arteries of the fundus, blindness, etc. and blindness. Therefore, the greatest danger of hypertension is the various complications caused by it, which seriously endangers people’s health and even life safety. Therefore, the key to the treatment of hypertension is to prevent and reduce target organ damage.