1986年美国首次发现人埃里希氏体病(Ehrlichiosis),此后陆续有该病的报道。1989年～1992年期间作者共收治此种病人30例,本文就该病的临床表现、诊断方法及治疗效果作一简述。 一般情况:确诊的30例患者在入院时均未考虑为埃里希氏体病,而分别以流感、立克次氏体病、泌尿系感染、肾绞痛、尿脓毒病、附睾炎、肺炎、病毒感染、胃肠炎、疱疹性脑炎及不明原因发热等疾病住院治疗。30例中男性20例,年龄22～79岁,多数患者于发病数周前有蜱叮咬史,自起病至 Ehrlichiosis was first discovered in the United States in 1986 and has been reported since then. During the period from 1989 to 1992, the authors treated a total of 30 patients with this kind of patient. This article gives a brief account of the clinical manifestations, diagnosis and treatment of the disease. General situation: The 30 confirmed patients were not considered as Ehrlichiosis at admission, but were diagnosed with influenza, rickettsial disease, urinary tract infection, renal colic, urinary sepsis, epididymitis, Pneumonia, viral infections, gastroenteritis, herpes encephalitis and fever of unknown origin and other hospitalizations. 30 cases of 20 males, aged 22 to 79 years old, the majority of patients had a history of tick bites a few weeks before the onset, since onset