The newborn baby a day does not poop, may be due to insufficient food, gastrointestinal tract peristalsis slow, digestive system developmental abnormalities and other reasons, you can strengthen the feeding, abdominal rubbing, if necessary, need to go to the hospital neonatology consultation. 1. A newborn baby does not poop for a day, may be due to the baby’s insufficient food, gastrointestinal peristalsis is slow, resulting in delayed expulsion of meconium, you can give the baby to strengthen the feeding, or with the clockwise abdominal rubbing, to promote gastrointestinal peristalsis, so as to alleviate the symptoms of the baby’s not poop. 2. newborn baby a day without poop, should also pay attention to rule out the existence of digestive developmental abnormalities, such as intestinal atresia, congenital megacolon, congenital anal atresia, etc., if through the above treatment is still not poop, the need to take the baby to the neonatology department of the hospital in a timely manner to the neonatology department of the hospital, through the improvement of the relevant examination, to clarify the specific causes, to give targeted intervention treatment. It is recommended that newborn babies who do not poop for 1 day should consult a doctor in time to avoid adverse consequences.