Patients with acute stroke are easily complicated with infection.It may seriously affect the prognosis.With the constantly in-depth study of the pathogenesis of stroke-related infections,its associated risk factors also become increasingly clear,including stroke severity,stroke types and location,malnutrition,diabetes,dysphagia,disturbance of consciousness,invasive operation,and the use of antacid,etc.This article reviews the major risk factors for stroke-related infections.