Summary:Eosinophilic chronic rhinosinusitis is the disease pathologically characterized by increased eosinophil infiltration in the tissue.In recent years,many scholars focus on studies of eosinophilic chronic rhinosinusitis to explore the etiology,pathogenesis,clinical manifestation,treatment and prognosis.In this paper,we review the studies about the eosinophilic chronic rhinosinusitis.