At present, the number of people with back and leg pain has increased, but some people do not have early detection of vascular disease resulting in poor healing. Sore legs and feet first check blood vessels, after walking legs and feet soreness is often encountered by many people, perhaps the majority of people think that this is very normal, or that rest and rest will be fine, in fact, this phenomenon of soreness may indicate a potential disease: lower extremity atherosclerosis occlusive disease. In the early stages of atherosclerotic stenosis can be treated with anticoagulation or vasodilator drugs to promote blood flow and correct tissue ischemia, and at the same time, appropriate walking exercises can be used to enhance the lower limb tissues’ tolerance to ischemia and to promote the formation and opening of collateral blood vessels around the occluded arteries, which can help alleviate the condition. Many causes lead to leg pain, but the characteristics of leg pain are also different, so it is easy to be misdiagnosed. If it is neurogenic pain, such as pain caused by compression of nerves by herniated lumbar discs, lumbar spondylolisthesis, etc., it may be painful with a sneeze or a cough. If it is osteoarthropathy, it hurts as soon as you walk off the floor, and it still hurts when you rest for a while and walk again, and this pain will not stop. If it is vascular pain, the main feature is intermittent claudication, the beginning of the leg numbness and cold, and then walk for a period of time on the pain, rest for a while better, and then walk for a period of time and pain, which is the most notable feature. Therefore, patients with back and leg pain should first check the blood vessels, so as not to delay treatment. In addition, vasculitis and atherosclerotic occlusive disease belong to a class of diseases, all belong to the lower limb ischemic disease. But they are different, the onset of the two, treatment and healing have their own characteristics. 45 years of age, if the feet cold, pain or necrosis, certainly vasculitis; 55 years of age or older, if these symptoms, the first thing to consider arteriosclerosis occlusive disease. The pain characteristics of the two are not quite the same. Atherosclerotic occlusive disease usually occurs in the main blood vessels, while vasculitis occurs in the middle and small arteries, from the distal beginning of the pain. The pathology of the two is also different. Atherosclerotic occlusive disease is the result of plaque formation, lumen narrowing, and occlusion, while vasculitis is the result of peripheral inflammation.