对南方地区某特种部队官兵随机抽样,进行以膳食调查、生化检查及体格检查为主要内容的营养调查,结果发现:体格检查,约1/4的战士BMI<20,反映其营养状况欠佳.膳食调查:Vit A,Vit B_1、B_2及钙的摄取量均低于我军膳食营养素供给量标准;能量分配不合理,早餐偏低.晚餐偏高;蛋白质质量不高.4h负荷试验,发现Vit B_1、B_2严重缺乏或不足.血红蛋白测定,贫血发生率为2.3%.以上结果说明该部队营养状况存在不足,应及时采取相应措施加以改善. A random sample of officers and soldiers from a special unit in the southern region conducted dietary surveys, biochemical tests and physical examinations as the main content of the nutritional survey. The results showed that: physical examination, about 1/4 of the soldiers BMI <20, reflecting its poor nutritional status. Dietary survey: Vit A, Vit B_1, B_2 and calcium intake were lower than our army dietary nutrient supply standards; irrational energy distribution, breakfast is low, high dinner, protein quality is not high .4h load test found Vit B_1, B_2, a serious lack of or lack of hemoglobin determination, the incidence of anemia was 2.3%. The above results indicate that the nutritional status of the unit deficiencies, should take timely and appropriate measures to be improved.