Peripheral vascular disease is a generic term for peripheral vascular disease, mainly including varicose veins, varicocele, thrombophlebitis, vasculitis, arteriosclerosis occlusive disease, Buga’s syndrome, Raynaud’s syndrome and so on. In the past, it has been under the scope of surgery, but due to the refinement of scientific research in recent years, the department specialized in the treatment of peripheral vascular disease was divided from surgery. Peripheral vascular diseases are vascular and vascular-related diseases other than cerebrovascular and cardiovascular diseases. Common diseases include: dizziness and headache due to carotid and vertebral artery stenosis or occlusion; upper limb weakness or pain due to subclavian artery and vein stenosis or occlusion; chest pain and dyspnea due to pulmonary artery and vein stenosis or occlusion; abdominal pain and distension due to mesenteric artery and vein stenosis or occlusion; renal artery and vein stenosis or Stenosis or occlusion of renal arteries and veins causing intractable hypertension, ischemic nephropathy; Stenosis or occlusion of arteries and veins of lower extremities causing pain, swelling, gangrene and other vascular and vascular-related diseases.