For the three-week-old baby flatulence, you can use the following measures: First, usually more clockwise rubbing the abdomen, because in the clockwise rubbing the abdomen, intestinal peristalsis will be significantly faster, intestinal peristalsis faster after the abdominal gas will be effectively discharged, thus reducing the symptoms of abdominal distension. Second, the timely application of probiotics to regulate, because most of the stomach flatulence and intestinal flora disorders have a relationship, in a timely application of probiotics, intestinal flora disorders are effectively adjusted, will reduce the symptoms of abdominal flatulence, such as the application of small Peifikang.