During physical examination, if the systolic blood pressure is found to be normal and the diastolic blood pressure is below 60 mmHg, this condition generally belongs to low pressure, and most patients do not need special treatment, especially for older patients, due to the sclerosis of blood vessels, the elasticity of blood vessels will be reduced low pressure, while the pulse pressure difference increases. If the patient usually has no obvious symptoms, no treatment is needed, only regular monitoring of blood pressure is required. At the same time, we should pay attention to the prevention of atherosclerosis, low salt and low fat diet in our life, and control other risk factors, such as to quit smoking, limit alcohol intake, and control weight for regular exercise.