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目的：了解泸州市龙马潭区中小学生现时营养状况。方法：对该区7～18岁中小学生3223名进行体格测量，用身高标准体重法评价现时营养状况。结果：中学生营养不良率为44．26％，小学生为23．41％；男生29．83％，女生35．36％；城市学生34．88％，农村学生28．30％。肥胖率，中学生2．14％，小学生3．35％；男生3．40％，女生2．20％；城市学生3．17％，农村学生2．22％。x2检验显示，中小学生、男女学生的营养不良率、肥胖率有显著性差异；城乡学生的营养不良率差异有高度显著性意义。结论：中小学生营养不良与超重和肥胖同时存在，需根据年龄、城乡、性别特点对中小学生进行营养教育。
Objective: To understand the current nutritional status of primary and secondary school students in Longmaitan District of Luzhou City. Methods: 3223 primary and secondary school students aged 7 to 18 years were measured by physical examination, and the standard nutritional status was evaluated by height-standard weight method. Results: Malnutrition rate of secondary school students was 44.26%, primary school students was 23.41%; boys 29.83%, girls 35.36%; urban students 34.88%, rural students 28.30%. The obesity rate is 2.14% for middle school students and 3.35% for primary school students; 3.40% for boys and 2.20% for girls; 3.17% for urban students and 2.22% for rural students. x2 test showed that malnutrition rates of primary and secondary school students, male and female students, and obesity rates were significantly different. The differences in malnutrition rates among urban and rural students were highly significant. Conclusion: Malnutrition among primary and middle school students is overweight and obesity. Nutritional education for primary and secondary students should be based on the characteristics of age, urban and rural areas and gender.