目的分析阴沟肠杆菌引起的医院感染。方法５１株阴沟肠杆菌分布、耐药率及引起医院感染比例进行分析。结果３６６株菌中阴沟肠杆菌占１３．９％，其中８８％来自医院感染患者。本菌对多种抗生素耐药率达５０％以上。结论本菌是引起医院感染常见菌，并且具有多重耐药性，应予以高度重视。 Objective To analyze the hospital infection caused by Enterobacter cloacae. Methods 51 strains of Enterobacter cloacae, drug resistance and the proportion of hospital infection were analyzed. Results 366 strains of Enterobacter cloacae accounted for 13.9%, of which 88% were from nosocomial patients. The bacteria resistant to multiple antibiotics over 50%. Conclusion The bacteria is a common cause of nosocomial infections, and has multiple drug resistance, should be highly valued.