本文报道100例小儿UTI的临床分析,按主要临床表现分为以尿路刺激症、肉眼血尿、腹泻、败血症和单纯发热为主的五个类型。菌尿阳性率70%,其中大肠杆菌居首位,占菌尿阳性病例的75.7%。对大肠杆菌的致病作用及UTI的诊断指标结合文献资料作扼要讨论,并提出较为实用的治疗方案。 This article reports 100 cases of pediatric UTI clinical analysis, according to the main clinical manifestations are divided into urinary tract irritation, gross hematuria, diarrhea, sepsis and fever-based five types. Bacteriuria positive rate of 70%, of which Escherichia coli ranks first, accounting for 75.7% of urine-positive cases. The pathogenesis of E. coli and UTI diagnostic indicators combined with literature for a brief discussion, and put forward more practical treatment options.