近几年来,医院内获得性感染问题已在国内医学界受到广泛性关注,它是各级医疗单位,尤其是综合性医院普通存在的问题。因为,医院内感染增加病人的痛苦,而且影响医疗质量造成病死率升高,医疗费用增加。泌尿道感染是指细菌在泌尿道直接引起的炎症,在我国院内感染中,泌尿道感染占20％～31％, In recent years, the issue of acquired infections in hospitals has received widespread attention in the domestic medical community. It is a common problem existing in medical units at all levels, especially in general hospitals. Because hospital-acquired infections increase the patient’s suffering and affect the quality of care resulting in increased mortality and increased medical costs. Urinary tract infection refers to the bacteria in the urinary tract caused by inflammation, nosocomial infection in our country, urinary tract infections accounted for 20% to 31%