新生儿急性感染性腹泻是临床常见问题之一,可由多种细菌,病毒及寄生虫引起。常在新生儿室内暴发流行,成为院内交叉感染的棘手问题之一。临床表现多无特异性,大便次数增多,水样便或稀便,伴厌食呕吐及腹胀等,严重者出现脱水或休克。近10～15年对新生儿急性感染性腹泻的病原体、发病机理及诊断方法有了新的认识和进展,本文对此作一综述。 Acute infectious diarrhea in neonates is one of the most common clinical problems that can be caused by a variety of bacteria, viruses and parasites. Often indoor neonatal outbreaks, has become one of the intractable problems of cross-infection. More non-specific clinical manifestations, increased stool frequency, watery stools or loose stools, with anorexia and vomiting and abdominal distension, severe dehydration or shock. Nearly 10 to 15 years of acute infectious diarrhea in neonates pathogens, pathogenesis and diagnostic methods have new understanding and progress, this article is reviewed.