Newborns pass stools as a normal process of gastrointestinal peristalsis. When a child does not pass stool, it should be analyzed from the following aspects. First, the child’s gastrointestinal tract development whether there are malformations, such as megacolon and other gastrointestinal malformations, this is recommended to use ultrasound examination. Second, the child’s gastrointestinal peristalsis is not relatively poor, you can clockwise massage abdomen, each time five minutes, twice a day to promote gastrointestinal peristalsis. Third, it may also be considered that the child is not adapted to the milk powder, indigestion of milk powder, you can supplement probiotics to improve, such as Baoluoan, common probiotics can be, bifidobacteria can also be.