小儿肺炎常见的有支气管肺炎、大叶性肺炎、支原体肺炎、新生儿肺炎。其中主要是支气管肺炎。本文着重讨论支气管肺炎。一、病因及病机随着婴幼儿保健工作的加强,人民生活和医疗水平的提高,支气管肺炎的发病率和病死率已逐渐下降,重症肺炎也明显减少,但目前该病仍为婴幼儿常见多发疾病,也是婴幼儿死亡的主要原因。支气管肺 Pediatric pneumonia common bronchial pneumonia, lobar pneumonia, mycoplasma pneumonia, neonatal pneumonia. Which is mainly bronchial pneumonia. This article focuses on bronchial pneumonia. First, the etiology and pathogenesis With the strengthening of infant health care, improve people’s lives and medical standards, the incidence and mortality of bronchial pneumonia has gradually decreased, severe pneumonia was also significantly reduced, but the disease is still common in infants and young children Multiple diseases, but also the main cause of infant deaths. Bronchial lungs