The causes of iliac artery stenosis include congenital arterial stenosis, atherosclerosis, multiple aortitis and recurrent arterial stenosis occlusion after surgical operation, etc. Treatment should be directed to the specific causes of the disease, including medication and surgical treatment. 1. Congenital iliac artery stenosis: this type of stenosis usually has no obvious effect with conservative treatment, and needs to be treated by surgery, such as endarterectomy, arterial anastomosis and so on. 2. Stenosis caused by atherosclerosis: medication can be used first to relieve the symptoms, mainly to expand the blood vessels and anticoagulant medication, you can take aspirin, clopidogrel, atorvastatin and other drugs. For conservative treatment does not affect the effect, you can carry out local thrombolytic surgery, percutaneous angioplasty, endobranch implantation and other treatments. 3. Multiple aortitis: it is necessary to control the infection in time and combined with prednisolone dexamethasone and other drugs to strengthen the therapeutic effect, while taking aspirin, nifedipine, aspirin, clopidogrel and other drugs for treatment. If the condition is serious, you can carry out artificial vascular reconstruction endothelium, thrombectomy and so on. 4. Surgical recurrence leads to: arterial bypass grafting, vascular reconstruction and so on can be carried out. For iliac artery stenosis, you should improve the examination, understand the cause of the disease, condition, and then standardized treatment under the guidance of the doctor.