尿路感染是老年人群中的一种常见病,在老年感染性疾病中,尿感的发生率为1.6%～43.3%,仅次于呼吸道感染.老年人容易发生尿感的主要原因是由于全身和局部的免疫防御功能下降.老年人尿路感染的临床表现常不典型或无症状,且多为复杂性尿路感染,治疗时需结合各方面因素综合考虑. Urinary tract infection is a common disease in the elderly population, the incidence of urinary tract infection in elderly infectious diseases was 1.6% to 43.3%, second only to respiratory tract infection. The main reason for the elderly susceptible to urinary tract infection is due to the body And local immune defenses decline.Clinical manifestations of urinary tract infection in the elderly are often atypical or asymptomatic, and mostly complicated by urinary tract infection, the treatment should be combined with all aspects of factors into account.