A few hours after birth, newborns begin to pass gas and stools, and if there is abdominal distension, the gas can also be manually assisted, and there is no exact time limit. There is no exact time limit. Most newborns begin to pass meconium a few hours after birth, and this is a normal physiological phenomenon that can be accompanied by defecation. If the child has symptoms of bloating, no matter how many days after birth, you can first use gentle massage of the abdomen to help exhaust, clockwise along the navel gentle massage. If the symptoms of bloating are heavy, you can also manually assist the exhaust, such as anal tube exhaust, to reduce the pressure in the intestinal lumen. In addition, the newborn flatulence should also be considered to have intestinal malformation, if necessary, go to the hospital to identify the cause and then treatment.