There are many causes of flatulence in infants and different ways to deal with flatulence caused by different reasons, such as gastrointestinal disorders, diet-related, digestive system diseases and electrolyte disorders. First of all, gastrointestinal dysfunction or indigestion is the main cause of flatulence, which is usually accompanied by constipation, decreased appetite, fatigue, nausea and vomiting, etc. Oral medication to regulate gastrointestinal function and promote gastrointestinal motility should be used for intervention and treatment. Secondly, abdominal flatulence is caused by excessive intake of dairy products and high-fat foods. In this case, it is necessary to adjust the diet structure and change the eating habits, and the flatulence will usually be improved significantly through dietary adjustment, supplementation of lactase and appropriate activities and exercises. Again, digestive system diseases such as intestinal obstruction, anal atresia, abdominal occupying lesions, spasm of the anal sphincter, etc. In this case, surgery or conservative treatment should be chosen according to the actual situation. In addition, electrolyte disorders such as hypokalemia and lack of activity can also lead to hypokalemia, which often requires appropriate potassium supplementation and activity therapy to improve. In conclusion, the measures for flatulence caused by different causes are different and require symptomatic treatment.