Infants who do not have bowel movements but keep farting are mostly considered to be related to physiological factors, constipation and indigestion, etc. They need to go to the hospital for examination and treatment after clarifying the causes. 1. Physiological factors: infants have a short gastrointestinal tract and imperfect digestion and absorption functions, so some of the food they consume can easily produce gas, resulting in more anal exhaust, but they do not necessarily solve the stool, which is usually normal and can adjust their diet and observe for a few days. -3 days normal defecation; 2, constipation: infants in addition to not defecate but always fart, but also accompanied by abdominal pain, defecation difficulties and other symptoms. Light massage, anal smear fragrance oil can be relieved, if not relieved need to promptly consult a doctor, follow medical advice to be lactulose, open plug for defecation, if necessary, enema treatment; 3, indigestion: children’s gastrointestinal tract digestive function is weak, such as cold, feeding too much milk and other improper feeding methods, can cause indigestion in children, fart stink, always fart, but not poop performance, at this time the baby is often accompanied by bad breath, loss of appetite or refusal to eat. At this time, the baby is often accompanied by bad breath, loss of appetite or refusal to eat and other symptoms. If you can’t relieve the symptoms, it is recommended to follow the medical advice to be probiotics, pediatric stagnation pills to relieve the symptoms; 4, congenital giant colon: if the baby from birth, not much defecation, always fart, need to be alert to congenital intestinal development diseases, such as congenital giant colon, if necessary, need to perform surgery. The baby should drink more warm water and eat lightly, and adjust the baby’s milk drinking habits, pay attention to a small number of meals, control the speed of drinking milk, and do not move too much after each drink.