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目的:探讨长远航个体晕船认知信念对晕船发生及等级的影响。方法:采用晕船自我效能感量表、自我控制感量表、晕动病Graybiel等级记分法对2014年9月在“和平方舟”号医院船执行长远航(4个月)任务的201名船员开展问卷调查。结果:Logistic回归分析结果表明，晕船自我效能感是长远航任务人员晕船发生的原因之一(n P<0.05)；方差分析结果表明，Graybiel各等级人员组间晕船自我效能感差异有统计学意义(n P0.05)。n 结论:积极提升晕船自我效能感信念，可为长远航个体晕船提供一种心理学防治方法。“,”Objective:To explore the effect of individual cognitive belief on seasickness occurrence and grade during a long oceangoing voyage.Methods:A total of 201 participants of a four-month-long oceangoing mission on the hospital ship Peace Ark were surveyed by a seasickness self-efficacy scale, a self-control scale, and Graybiel′s motion-sickness grading scale in the September of 2014.Results:After Logistic regression analysis, the results showed that the seasickness self-efficacy was one of the causes of seasickness among the participants in the long oceangoing mission (n P<0.05) .The results of variance analysis showed that there were statistical differences in self-efficacy between participants at different Graybiel levels (n P0.05).n Conclusion:An enhanced self-efficacy in coping with seasickness can be adopted as a psychological solution to prevent and control the occurrence of individual seasickness during a long oceangoing voyage.