Newborns small intestine fistula defecation is thin belongs to the surgery normal a situation, fistula volume is the fistula bag in the amount of stool, mainly due to intestinal peristalsis is too fast cause. Neonatal small intestine fistula defecation is dilute may and intestinal peristalsis too fast related, if the stool is not water stool separation sample, baby weight growth is normal, parents do not need to worry too much, this situation belongs to a normal situation after surgery, can use the regulation of intestinal peristalsis of the drug for adjuvant therapy and so on. In addition, the small intestine fistula state people without the large intestine reabsorb water function, so relatively easy to thin stools, so parents should pay attention to do not eat too cold food, to avoid aggravating the condition, if there is a combination of other discomfort, such as crying and restlessness, it is recommended to consult a doctor in a timely manner.