Hypotension in the elderly is harmful in many ways, affecting organs and systems throughout the body. Common clinical manifestations include dizziness, weakness, fatigue, nausea, syncope, cognitive impairment, headache, and possibly blurred vision, neck pain, shoulder pain, and in some patients, angina pectoris (decreased myocardial perfusion) and transient ischemic attacks. Hypotension in the elderly can lead to serious consequences such as cerebral infarction and myocardial infarction. For example, dizziness and fainting can cause the elderly to fall, which in turn can lead to fractures, which are difficult to heal in the elderly. In addition, low blood pressure will lead to a reduction in coronary artery perfusion, for the original coronary heart disease elderly patients are more likely to induce angina pectoris and myocardial infarction. Therefore, low blood pressure in the elderly has many hazards, should go to the hospital in a timely manner, improve the examination, clear cause and then give targeted treatment.