With low pressure hypertension, the danger is the same as other hypertensive hazards, there will be heart, brain and kidney complications: 1, ventricular hypertrophy or enlargement of the heart and cause hypertensive heart disease; 2, the brain will have a stroke and ischemic brain aggravation; 3, to the kidney may appear kidney renal failure; 4, retinal artery disease will appear retinal hemorrhage; 5, acute elevation will cause brain hemorrhage, brain infarction aggravation, but also acute coronary syndrome is a heart attack, or heart failure episodes, which will aggravate the condition.