Eight-month-old baby’s flatulence is mostly caused by functional dyspepsia or constipation caused by slow intestinal peristalsis and obstructed or reduced gas discharge from the intestines. You can give your baby an abdominal massage, or do exhaust exercises, if necessary, you can take your baby to perform acupuncture, physical therapy and other symptomatic treatment. You can give your baby vegetable juice or apple juice to keep the bowel movement smooth. You can give your baby probiotics or Mamma Love to regulate the dysbiosis of your baby’s intestinal flora. In the diet, to eat less and more meals, avoid too full and too hungry. If you are breastfeeding, you can eat less and feed more, if you are formula feeding, don’t feed too thick.