新生儿坏死性小肠结肠炎 (ＮＥＣ)是小肠、结肠急性坏死性炎症 ,发病急骤 ,死亡率高 ,早期诊断和治疗非常重要。新生儿发病亦占有一定比例 ,农村发病较城市高 ,多数病例散在发生 ,无明显季节性。其主要临床表现为腹胀、呕吐、便血等 ,腹部Ｘ线片以动力性肠梗阻、肠壁积气 ,门静 Neonatal necrotizing enterocolitis (NEC) is the small intestine, acute necrotic inflammation of the colon, the incidence of sudden, high mortality, early diagnosis and treatment is very important. The incidence of newborns also occupy a certain proportion of rural incidence higher than the city, most cases occur scattered, no significant seasonal. The main clinical manifestations of abdominal distension, vomiting, blood in the stool, abdomen X-ray to dynamic intestinal obstruction, intestinal wall gas, portal vein