报告一起由肺炎克雷伯氏菌引起的儿科病房腹泻流行。共２４例，均经粪便培养证实。其中２例入院时即为本病；１５例为出生＜６月患儿。临床主要表现为腹泻，偶有呕吐、腹胀、发热及脱水。常继发于呼吸道疾病、营养不良及机体状况较差时。分析认为，应重视机会菌引起的小儿腹泻流行，加强医务、陪护人员的消毒隔离。 Reported the prevalence of pediatric ward diarrhea caused by Klebsiella pneumoniae. A total of 24 cases, confirmed by stool culture. Among them, 2 cases were admitted to the hospital; 15 cases were children born <6 months. The main clinical manifestations of diarrhea, occasional vomiting, bloating, fever and dehydration. Often secondary to respiratory diseases, malnutrition and the body condition is poor. Analysis, should attach importance to opportunistic bacteria caused by the prevalence of diarrhea in children, strengthen medical care, accompanied by staff disinfection isolation.