The pathogenic bacterium by which the urinary system was infected were escherichiacoli, staphylococcus, aciuetobacter, klebsiella, proteus and so on, among which the most common one was negative- gran staim bacillus and its ratio is increasing every year.

• 泌尿系统感染的病原菌主要是大肠埃希菌、葡萄球菌属、不动杆菌、克雷伯菌属和变形杆菌属等,其中革兰阴性杆菌导致泌尿系统感染为最常见,并且其比例呈逐年上升的趋势。