在临床实践中,我们发现一般采用联苯胺法检查新生儿粪便隐血,其阳性率极高,因而对新生儿坏死性小肠结肠炎(NEC)恢复期开奶的掌握有一定困难,有些NEC患儿经过治疗和7～14天的禁食后,腹胀早已消失,哭吵不停,非常想吃,而粪便隐血检查持续阳性。有时禁食超过二周,隐血检查仍然阳性,在这种情况下,我们结合患儿情况及X线腹部摄片检查,如肠道功能 In clinical practice, we found that the common use of benzidine method to detect occult blood in neonatal droppings, the positive rate is extremely high, so neonatal necrotizing enterocolitis (NEC) recovery during the opening of the milk have some difficulties, and some NEC children After treatment and 7 to 14 days of fasting, abdominal distension has disappeared, crying noisy, very want to eat, and stool occult blood test continued positive. Sometimes fasting for more than two weeks, occult blood test is still positive, in this case, we combined with the situation of children and X-ray abdominal examination, such as intestinal function