Newborn babies not passing stools may be related to factors such as not reaching the amount of breastmilk, anal atresia, etc. Improvement can be made in terms of increasing the frequency of breastfeeding and surgical treatment. Newborn babies will usually defecate around 24 hours after birth, if parents find that their babies do not defecate, they need to increase the frequency of breastfeeding, after increasing the amount of breastfeeding, parents do not need to worry if their newborn babies defecate, if they still do not defecate even after increasing the frequency of breastfeeding, they need to carry out imaging tests to exclude intestinal obstruction, and if it is anus atresia, then they need to undergo further surgical treatments. Newborn babies do not poop there may be other reasons such as congenital megacolon, it is recommended to go to the hospital in a timely manner for relevant examinations, clear causes and then actively treat the symptoms.