\ \ 100 cases of urinary tract infections were analysed.They were divided into two types
the simple type and compicated type.b.coli was the most common pathogen in simple type(73.9%)and it accounted for only 45.0% in complicated type.All the pathogens were highly sensitive to cefoperazonum.considerably sensitive to smikacimi and vere also sensitive to cefezolin and norfloxarimi.It was emphasized that primary nephosis is an important predisposing caues of urinary tract infections in children. \ \