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目的:探讨营养知识、态度和行为(KAP)干预对潜艇官兵营养状况和体检结果的干预效果，为促进潜艇官兵身体健康、强健体质提供策略。方法:采用整群随机抽样法选取264名潜艇官兵进行营养KAP干预1年，干预前后分别进行营养KAP问卷调查、膳食营养状况调查和健康状况检查。结果:干预1年后潜艇官兵营养KAP得分(36.17±5.72)较干预前(32.18±5.16)显著提高，差异有统计学意义(n P<0.05)。膳食营养状况：干预后油脂类摄入量为(82.78±26.38) g，较干预前(121.24±21.32) g显著降低；干预后奶类摄入量为(220.36±20.57) g，较干预前(112.26±46.48) g显著提高；差异均有统计学意义(n P<0.05)。健康状况：干预后体检结果异常检出率为45.18%，较干预前的73.31%显著降低，差异有统计学意义(n P<0.05)。n 结论:通过对潜艇官兵进行营养KAP干预，官兵膳食营养状况及体检结果得到改善，营养KAP干预可有效保障官兵健康。“,”Objective:To investigate dietary nutritional and health conditions of submariner with knowledge-attitude-practice (KAP) intervention, so as to provide a reference and guidance to enhance the health condition and body constitution of the officers and sailors in submarine.Methods:A total of 264 submariners, selected by cluster random sampling, had received nutrition-KAP intervention for 1 year. Before and after the intervention, we carried out nutrition-KAP questionnaire surveys, dietary nutritional condition surveys and health examinations.Results:After one-year-long intervention, the score of the nutrition-KAP questionnaire (36.17±5.72) was significantly higher than that before intervention. As for the dietary nutrition analysis: the fat intake per person was (82.78±26.38) g/day, which was significantly lower than that (121.24±21.32) g/day before intervention; the diary intake per person was (220.36±20.57) g/day, which was significantly higher than that (112.26±46.48) g/day before intervention; all these differences were statistically significant (n P<0.05). Physical examination analysis: the incidence of abnormal physical findings was 45.18%, which was statistically lower than that (73.31%) before intervention (n P<0.05).n Conclusion:The submariners′ dietary nutritional and health condition were improved by the nutrition-KAP intervention, which could effectively promote the health condition of the officers and sailors in submarine.