目的 :了解军团菌肺炎的临床表现及分型 ,提高对本病的认识及警惕性。方法 :取患者血清用试管凝集法作军团菌抗体测定。结果 :4 7例患者阳性 ;LP1型 16例 ,LP13 31例。结论 :血清试管凝集试验方法简便易行 ,遇到难治性肺炎时 ,要考虑军团菌感染 ,以提高对军团菌肺炎的确诊率 ,减少误诊。 Objective: To understand the clinical manifestations of legionnaires pneumonia and typing, improve awareness of the disease and vigilance. Methods: Take the patient’s serum by tube agglutination method for determination of Legionella antibody. Results: 47 patients were positive; LP1 16 cases, LP13 31 cases. Conclusion: The serum test tube agglutination test method is simple and easy, in the face of refractory pneumonia, Legionella infection should be considered to improve the diagnosis of Legionella pneumonia and reduce the misdiagnosis.