If only double lower limb atherosclerosis, but not formed lower limb blood vessel occlusion or more serious stenosis, generally not serious. With age, human arteries may have more or less atherosclerosis, so if the patient has atherosclerosis of the lower extremities, it is recommended that oral prevention of disease progression of drugs, such as patients can be recommended to take oral Bay Aspirin and Atorvastatin, these two drugs help to prevent the progression of the disease. Like statins can improve endothelial function, anti-inflammatory, stabilize plaque, relatively is the most suitable for the existence of atherosclerotic disease patients to take. In addition to taking medications, lifestyle interventions, such as low-salt and low-fat diets, quitting smoking and drinking, and losing weight and exercising, can better prevent the progression of the disease.