复发性口腔溃疡为口腔粘膜常见病、周期性发病是本病的特点．病因十分复杂，确切病因不清，发病率为18．3％～20％［1］，飞行人员患复发性口腔溃疡相关因素的调查未见报导，作者对62例患复发性口腔溃疡的飞行人员进行调查。报告如厂。资料和方法对近几年来院疗养的健康飞行人 Recurrent oral ulcers are common oral mucosal disease, periodic disease is characterized by the disease. The cause is very complex, the exact etiology is unclear, the incidence was 18.3% to 20% [1], the pilot survey of recurrent oral ulcers related factors have not been reported, the author of 62 patients with recurrent oral ulcers Investigate. Report as factory. Materials and Methods Healthy pilots who have been hospitalized in recent years