Infant flatulence is mainly characterized by a bulging abdomen, which may be accompanied by farting, spitting up, burping, crying, etc. You can help the gas to be discharged by lifting the legs, local massage and patting the back. 1. Leg lifting method: let the baby lie on the bed, lift up the legs, and then let the baby’s knees bend as close as possible to the abdomen, which can promote the intestinal gas discharge. 2. Local massage: After feeding the baby, you can massage the baby’s abdomen, clockwise massage around the umbilicus as the center, to promote the baby’s gastrointestinal peristalsis, pay attention to the appropriate force, do not vigorously rub the baby’s abdomen. 3. pat the back: after breastfeeding, you can hold the baby upright on the shoulder, gently pat the back to promote hiccups and exhaust. In addition, the primary cause of infant flatulence should be clearly identified, and targeted treatment should be given to address the primary cause. If the flatulence persists, it is recommended to go to the hospital in time to avoid delayed treatment.