小儿细菌感染的诊断历来是儿科工作者关注的热点 ,其重要性在于 :①明确了病原菌种类方能有目的地用药 ,如支原体感染时大环内酯类抗生素最有效 ,再贵重的其它抗生素疗效也不佳或无效 ;②由于抗生素的广泛应用 ,同种细菌中耐药菌株不断增多 ,所以检出病原菌后还要做药物敏感试 The diagnosis of pediatric bacterial infection has always been a hot spot for pediatric workers, its importance lies in: ① a clear pathogen species can only be used for purposeful purposes, such as mycoplasma infection macrolide antibiotics the most effective and then expensive other antibiotics Poor or ineffective; ② due to the widespread use of antibiotics, the same species of bacteria resistant strains continue to increase, so after the detection of pathogens but also to do drug-sensitive test