For people with atherosclerosis, such as coronary artery disease, carotid plaque, lower limb atherosclerosis, stroke, etc., taking aspirin can help improve the progression of the disease. High blood pressure itself will promote the process of atherosclerosis disease, so oral aspirin is very necessary, generally for middle-aged and elderly patients, combined with diabetes, smoking, obesity and other risk factors, take aspirin can improve the process of complications, for hypertensive people is very necessary. Generally take aspirin in small oral doses, or not if the patient has poor blood pressure control, because aspirin increases the risk of bleeding.