本文介绍了支气管肺发育不良(BPD)的放射学与病理学分期及各期的放射学和病理学方面的改变。探讨了BPD的病因,介绍了高浓度氧及低浓度氧引起肺部损害的实验病理学研究方面的进展。同时介绍了BPD的临床表现及预后。在BPD的诊断放射学研究方面,作者着重介绍了临床科学的研究。 This article describes the radiological and pathological staging of bronchopulmonary dysplasia (BPD) and radiological and pathological changes at each stage. The etiology of BPD was discussed, and the progress in experimental pathology of lung damage caused by high concentration of oxygen and low concentration of oxygen was introduced. At the same time, the clinical manifestations and prognosis of BPD were introduced. In the field of diagnostic radiology of BPD, the author focuses on clinical science research.