近年来,肺结核的发病率呈逐年上升趋势,而慢性阻塞性肺病(COPD)是老年呼吸系统疾病的常见病和多发病,其患病率和死亡率逐渐增加;因两者在临床上均表现为慢性咳嗽、咯痰、气短、乏力等,易导致肺结核漏诊、误诊,给临床治疗带来了很大困难;且部分COPD患者反复使用激素,加剧肺结核 In recent years, the incidence of tuberculosis has been increasing year by year, and chronic obstructive pulmonary disease (COPD) is a common disease and frequently-occurring disease of elderly respiratory diseases, the prevalence and mortality increased gradually; both of them are clinically manifested Chronic cough, expectoration, shortness of breath, fatigue, easily lead to missed diagnosis of pulmonary tuberculosis, misdiagnosis, clinical treatment has brought great difficulties; and some patients with repeated use of steroid hormone, exacerbating tuberculosis