The fact that babies don’t poop but fart may be caused by physiological reasons or pathological factors, such as indigestion and constipation. 1. Physiological reasons: because the baby is still small, the gastrointestinal tract is also relatively fragile, and digestion and absorption of the function is not all perfect, it is easy to have excessive gas phenomenon, but does not necessarily poop, this is also a normal phenomenon, you can first observe, usually within 1 day to 3 days will have the phenomenon of defecation. 2. indigestion: if the baby is cold, or eat too much, it is easy to cause indigestion, there will be too much farting, or farting is too smelly, will also have an impact on the bowel movement. 3. Constipation: If your baby has difficulty defecating and abdominal pain in addition to farting a lot, it is likely to be caused by constipation, which is related to improper feeding. If the baby’s condition is serious or the problem persists, go to the hospital in time to get an accurate diagnosis through relevant examinations, and then actively carry out treatment.