呼吸道感染是导致慢性阻塞性肺病（COPD）急性加重的最常见诱因，也是引起呼吸衰竭及肺心病的重要因素。防治感染是控制COPD病情发展的综合措施之一，而明确致病菌、合理使用抗生素是治疗呼吸道感染的关键[1]。我们分析了我院2年来COPD患者支气管-肺感染的主要致病菌群及其药敏 Respiratory tract infections are the most common causes of acute exacerbation of chronic obstructive pulmonary disease (COPD) and are also an important cause of respiratory failure and pulmonary heart disease. Prevention and control of infection is one of the comprehensive measures to control the development of COPD. Clear pathogenic bacteria, rational use of antibiotics is the key to the treatment of respiratory infections [1]. We analyzed the major pathogens of bronchopulmonary infection in patients with COPD in our hospital for 2 years and their drug sensitivity