近几年随着HIV阳性病人的增加和向非典型危险人群的扩散，使得并发症的诊断和治疗成为临床上重要的问题。重点在于肺部并发症的诊断，图为它对临床经过起着决定性的影响，并是最常见的死亡原因。因肺与外部环境密切接触，一些病原体会引起其感染，在晚期免疫低下者，也可出现机 In recent years, with the increase of HIV-positive patients and the spread of atypical at-risk populations, the diagnosis and treatment of complications have become clinically important issues. The focus is on the diagnosis of pulmonary complications. The picture shows that it has a decisive effect on the clinical course and is the most common cause of death. Due to close contact with the lungs and the external environment, some pathogens can cause their infection, in late immunocompromised, but also machine