High pressure is the systolic pressure, the normal systolic pressure of 70-year-old people should be 90-140mmHg, diastolic pressure should be 60-90mmHg. blood pressure is the pressure on the walls of blood vessels, with age, the elasticity of blood vessels weaken and the degree of atherosclerosis affects, the normal range of blood pressure than the ideal blood pressure has increased. As long as the elderly do not have symptoms of physical discomfort such as headaches and dizziness, no special treatment is required. Normal blood pressure increases appropriately with age is normal, if the 70-year-old elderly systolic blood pressure at 140 mmHg, diastolic blood pressure at 90 mmHg, when there are headaches, dizziness, flushing symptoms, it means that the elderly basic blood pressure is low, need to be dynamically observed at all times, the symptoms are not realistic patients need to be given antihypertensive drugs for treatment, the usual habits of life should be good, emotions should be stable, can maintain normal blood pressure .