Low blood pressure in the elderly, if it is physiologically caused by strengthening nutrition, drink more water blood pressure may slowly rise, if it is pathologically caused, or to treat the primary disease, if necessary, the application of antihypertensive drugs, such as dopamine, Midodrine and so on. Low blood pressure in the elderly may be caused by physiological factors. To raise blood pressure can be through strengthening nutrition, increase the intake of high protein food, eat slightly salty, drink more water to increase blood volume. Proper exercise to improve cardiorespiratory function, when physically possible, can also help to raise blood pressure. Low blood pressure in the elderly in many cases is caused by pathologic factors, to raise blood pressure is mainly to find the primary cause of the disease, for the primary disease treatment. If it is low blood pressure caused by excessive blood loss, blood transfusion can quickly raise the blood pressure; if it is postural hypotension, you can wear compression stockings, strengthen the exercise or take the drug Midodrine to raise the blood pressure. If it is low blood pressure caused by heart failure, drugs are needed to correct heart failure, and if necessary, intravenous application of dopamine, norepinephrine and other pressure-raising treatment. Elderly people’s low blood pressure is mainly to find the cause, so as to choose a reasonable way to raise blood pressure treatment, it is recommended to go to the hospital cardiology department.