Objective To study the role of wingspan stent in treatment of intracranial arterial stenosis,including its feasibility,safety,efficacy and operating skills.Method27 cases of intracranial arterial stenosis treated with wingspan stent was retrospectively studied.There was no response to drug control in all patients.The stenosis located in 3 internal arteries,13 middle cerebral arteries,4 vertebral arteries and 7 basal arteries.Results All stents were successfully deployed with satisfied opening of the narrow paragraph.All patients were followed up after the procedures.There was I case of occasional attack of TIA,1 case of asymptomatic cerebral infarction.There was no ischemic attack occurred in other patients.Conclusions Wingspan stent is safe and effective in treatment of intracranial artery stenosis.