Infant intestinal flatulence may be caused by indigestion, can bacillus subtilis bacillus orally, if it is inhaling too much air, abdominal massage, etc.; if it is bacterial or viral intestinal inflammation, you should seek medical treatment in a timely manner. 1. Indigestion: infants and young children gastrointestinal function is immature, improper feeding can easily cause indigestion, can be appropriate to use bacillus subtilis bacillus and other probiotics to regulate the intestinal tract, to promote gastrointestinal peristalsis, can alleviate intestinal flatulence. Allergic to probiotics is prohibited. 2. Abdominal inhalation of excessive air: infants and young children due to crying, sucking improperly caused by excessive air into the gastrointestinal tract, intestinal flatulence. You can massage the abdomen of infants and children clockwise, or use a warm towel to apply hot compresses to the abdomen, which can promote gastrointestinal peristalsis and facilitate the discharge of gas. 3. Intestinal inflammation: the intestinal tract is infected by bacteria or viruses, resulting in intestinal flora imbalance, food fermentation in the intestinal tract may lead to intestinal flatulence, and children may be accompanied by diarrhea symptoms. Prompt medical attention should be sought for anti-infective and symptomatic treatment against the pathogen. If infants and children continue to have bloating and crying, they should seek prompt medical attention in order to identify the cause and standardize treatment.