目的运用简便、易行的常规X线胸片早期发现及时诊断肺下野结核病。方法运用常规X线胸部正侧位片,对抗炎疗效不佳、肺下野发现病灶者进行观察和诊断。结果本病青壮年多见,起病较急,类似肺炎等临床症状。X线表现形态多样,右侧多见,易形成空洞。正规抗痨后疗效明显。结论肺下野结核病易误诊,但只要严密观察、提高警惕,用常规x线平片是完全可以做到早期发现及时诊断和鉴别的。 Objective To detect pulmonary tuberculosis in time by simple and easy-to-use conventional radiography. Methods The routine chest X-ray films were used to observe and diagnose those patients who were found to have poor anti-inflammatory efficacy and lung hypoplasia. Results The disease more common in young adults, more acute onset, similar to pneumonia and other clinical symptoms. X-ray showed various forms, more common on the right, easy to form a hollow. Efficacy of formal anti-gall after obvious. Conclusions Pulmonary tuberculosis is easy to be misdiagnosed, but as long as the close observation and vigilance, it is completely possible to diagnose and identify the early detection of tuberculosis by routine x-ray.