Peripheral vascular disease refers to vascular diseases that occur outside the heart and brain vessels. Arterial diseases include arteriosclerosis occlusive disease, diabetic foot, thrombo-occlusive vasculitis, arterial embolism, multiple aortitis, aneurysm, etc. In addition, they include arterial diastolic disorders of the extremities, such as Raynaud’s disease and erythema limb pain, etc. Cao Jianchun, Department of Peripheral Vascular Disease, Oriental Hospital of Beijing University of Traditional Chinese Medicine Venous diseases include deep venous valve insufficiency, varicose veins of the lower extremities, capillary dilation, thrombotic superficial phlebitis, deep vein thrombosis, Buga’s syndrome and so on. There are also vascular malformations and arteriovenous fistulas.