Older people with low blood pressure, causing dizziness, should be dealt with according to different situations, as follows: 1, if it is because of physical weakness caused by physical hypotension, need to give reasonable nutrition, as well as active physical exercise, so as to strengthen the body. 2, if it is taking too much antihypertensive drugs lead to low blood pressure, need to adjust the antihypertensive drugs in time, reduce the dose of antihypertensive drugs. 3, if it is because of postural low blood pressure, to change the body position as slow as possible. If the hypotension is caused by postural hypotension, try to move slower when you change your body position. If necessary, you can also wear elastic pants or elastic stockings to promote the return of blood to the lower limbs, in order to prevent the occurrence of postural hypotension. It is recommended that patients go to the hospital in time to clarify the cause of low blood pressure and make reasonable treatment under the guidance of doctors.