尿路感染(urinary tract infection,UTI)是尿道内大量微生物繁殖而引起尿频、尿急、尿痛、发热、肾区不适等临床症状的一种临床综合征,如不及时治疗常会导致慢性感染[1]。定量的尿培养是诊断尿路感染的金标准[2],但从尿液标本留取到获取检验报告约需3～4d,对临床诊断不能迅速及 Urinary tract infection (urinary tract infection, UTI) is a clinical syndrome caused by the multiplication of a large number of microorganisms in the urethra and causing clinical symptoms such as pollakiuria, urgency, dysuria, fever and renal discomfort, which often leads to chronic infection if not treated promptly [ 1]. Quantitative urine culture is the gold standard in the diagnosis of urinary tract infection [2], but the urine samples taken to obtain the test report about 3 ~ 4d, the clinical diagnosis can not be quickly and