目的 :了解小儿支原体肺炎的发病情况及临床特点。方法 :应用酶联免疫 (ELISA)法 ,对咳嗽、发热患儿采集静脉血 ,进行MP检测 ,结果 :MP—IgM阳性 45例 ,常年均有发病 ,秋冬季为发病高峰。多数病例呈百日咳样阵咳 ,胸片多为斑征状或絮状阴影 ,红霉素仍为疗效较好的药物。结论 :尽早作病原学诊断 ,合理用药 ,可提高疗效 ,缩短病程。 Objective: To understand the incidence of children with mycoplasma pneumonia and clinical features. Methods: Enzyme-linked immunosorbent assay (ELISA) was used to collect venous blood from children with cough and fever. The results of MP detection showed that MP-IgM was positive in 45 cases, with perennial onset and peak in autumn and winter. Most cases were pertussis-like cough, chest X-ray or flocculus mostly shaded, erythromycin is still a better effect of the drug. Conclusion: As early as etiological diagnosis, rational use of drugs, can improve the curative effect and shorten the course of disease.