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Objective Allergic rhinitis(AR)is a global health problem with gradually increasing prevalence.No large-scale,systematic and comprehensive study on AR among civil aviation aircrew of China has been reported.The author aimed to demonstrate prevalence of and risk factors for self-reported AR among Chinese civil aviation aircrew.Methods This study randomly surveyed 4 059 civil aviation aircrew members from 12 cities in mainland China.A structured questionnaire was tailored,designed and electronically delivered to all participants.Based on self-reported results,prevalence of and risk factors for AR were calculated/analyzed.Results The prevalence of self-reported AR was 23.38％.Among aircrew members,10.37％presented with ear barotraumas,whereas 9.95％with symptoms aggravation during flight.Of aircrew members,10.32％had symptoms related to flight duration whereas 4.43％of symptoms related to flight altitude.Significant differences between rhinorrhea and sneezing,as well as between nasal itching and sneezing,were observed in the total nasal symptoms scores(TNSS).The rhino-conjunctivitis quality of life questionnaire(RQLQ)showed significant correlation between each section.TNSS was significantly related to RQLQ.Both TNSS and RQLQ significantly correlated with flight time.Conclusions The prevalence of self-reported AR among civil aviation aircrew is higher than general population in China.The severity of nasal symptoms and complications are significantly associated with quality of life and flying duties.