目前细菌性脑膜炎是最可怕的感染性疾病之一。虽然细菌性脑膜炎发病率在婴儿期最高,但近年研究证实迟发性高峰在60岁和60岁以上老年人。由于其起病迅速,症状不典型,早期诊断困难,在老年人中死亡率高达38％～80％。本文综述了老年细菌性脑膜炎的临床特点、病原菌及治疗,以减少其发病率和死亡率。 Bacterial meningitis is currently one of the most terrible infectious diseases. Although the incidence of bacterial meningitis is highest in infancy, recent studies have shown late-onset peaks in the 60 and 60-year-olds. Because of its rapid onset, atypical symptoms, early diagnosis difficult, the mortality rate in the elderly as high as 38% to 80%. This article reviews the clinical features of elderly bacterial meningitis, pathogens and treatments to reduce their morbidity and mortality.