Patients with small pulse pressure difference should look for the cause as well as lifestyle intervention. 1. The difference between high pressure and low pressure is pulse pressure difference, small pulse pressure difference may be due to age, obesity, hyperlipidemia, diabetes, etc. Small pulse pressure difference can be harmful to the body, so it is necessary to carry out relevant examinations as soon as possible to find the cause of the disease, and carry out symptomatic treatment for the cause of the disease. 2. Patients with small pulse pressure should pay attention to reasonable diet, strict control of food cholesterol intake, as well as fat intake, low salt and low fat diet. Appropriate physical exercise can help reduce blood lipids, lower blood pressure, and can also promote blood circulation. Patients with small pulse pressure difference are advised to follow the doctor’s treatment advice after going to the hospital for examination.