肺炎是小儿的一种常见病,尤多见于婴幼儿,是发展中国家5岁以下儿童死亡的主要原因之一[1]。小儿肺炎的常见病原体有细菌、病毒、支原体、衣原体等。支原体、衣原体和某些病毒(如汉坦病毒等)、细菌(如嗜肺军团菌等)又称非典型肺炎病原,以区分肺炎链球菌等典型肺炎病原[2]。为了解我院小儿肺炎及小儿肺炎支原体肺炎的临床特点,提高其诊 Pneumonia is a common disease in children, especially in infants and young children, and is one of the major causes of death among children under 5 in developing countries [1]. Common pathogens in children with pneumonia bacteria, viruses, mycoplasma, chlamydia and so on. Mycoplasma, Chlamydia and certain viruses (such as Hantaviruses), bacteria (such as Legionella pneumophila, etc.), also known as atypical pneumonia pathogens, to distinguish pneumonia, pneumonia and other typical pneumonia pathogens [2]. To understand our hospital pediatric pneumonia and children with Mycoplasma pneumoniae clinical features, improve their diagnosis