Ten-month-old babies always fart because of excessive gas in the intestines, which may be due to lactose intolerance, poor digestion, milk protein allergy and other reasons. 1. Infants who suffer from lactose intolerance symptoms may produce gastrointestinal flatulence, diarrhea and other symptoms, care should be taken to avoid consuming complementary foods containing lactose, and lactase can be added if necessary. 2. Infants just born due to the digestive function development is not perfect, the intestinal flora development is not perfect, may have symptoms of indigestion, when swallowed gas, resulting in increased exhaust. 3. Infants who are allergic to certain substances in milk powder, such as milk protein, may have digestive symptoms such as diarrhea, bloating, increased exhaust, nausea, vomiting, etc., and should consult a doctor promptly. Infants with intestinal flatulence and increased flatulence should seek prompt medical attention and treatment under the guidance of a doctor, as well as paying attention to the infant’s dietary hygiene, paying attention to balanced nutrition, and avoiding catching cold.