我国结核病的发病率居各传染病之首。感染率、耐药率高。据目前所掌握的材料表明:菌阴肺结核约占所有肺结核的60%左右[1],这部分患者的诊断、治疗一直困扰着临床医生。本文通过对本所2005~2006年门诊和住院诊治的12例支原体肺炎误诊为菌阴肺结核患者进行回顾性分析,现报告如下 The incidence of tuberculosis in China ranks first in all infectious diseases. Infection rate, high resistance rate. According to the information currently available: Bacterin negative tuberculosis accounts for about 60% of all tuberculosis [1], this part of the patient’s diagnosis, treatment has been plagued by clinicians. In this paper, from 2005 to 2006 outpatient and inpatient diagnosis and treatment of 12 cases of mycoplasma pneumonia misdiagnosed as bacteria and lung tuberculosis patients were retrospectively analyzed, the report is as follows