Carotid web is a rare risk factor of ischemic stroke.A total of 32 (0.54%) patients with carotid web were finally diagnosed in 5 943 patients who underwent carotid computerized tomography angiography (CTA) in two hospitals.Only one patient received carotid endarterectomy that pathological findings were fibrous tissue hyperplasia of vascular wall with mucinous degeneration.Stent implantation was administrated in two cases.Among 13 asymptomatic patients,the observational follow-up period was (20.9± 12.4) months without strokes.Carotid web is a rare aberration.Asymptomatic patients with carotid web are usually silent.Large sized cohort and long-term follow-up are further needed.