There is no quick fix for intestinal flatulence in four-month-old babies. Common causes include improper feeding, indigestion, milk protein allergy, and so on. In terms of treatment, the main thing is to correct the improper feeding methods and apply medication for the original disease. 1. Improper feeding: If the intestinal flatulence is caused by improper feeding, for example, the baby inhales more air during breastfeeding. In this case, you can carry out abdominal massage, hot compresses, in addition, to correct the improper feeding methods, avoid feeding immediately after the child cries, if the formula feeding, when feeding the milk should be filled with milk the entire nipple, to prevent the inhalation of air. 2. Indigestion: If the intestinal flatulence is caused by indigestion in a four-month-old baby, it can be directed by a doctor. The doctor can guide the application of waking up the spleen to nourish the child granules and other drugs, together with the application of bacillus subtilis bifidus granules, bifidobacteria and other probiotics, the intestinal flora regulation, is conducive to the relief of intestinal flatulence. 3. Milk protein allergy: If milk protein allergy, resulting in four-month-old infants intestinal flatulence, you can apply bifidobacteria, bifidobacterium subtilis bifidobacteria particles and other probiotics to regulate the balance of intestinal flora. Breastfeeding pediatrics, continue breastfeeding, baby mama to avoid eating milk or milk products. For formula-fed pediatrics, avoid formula that contains milk protein ingredients. Four-month infant intestinal flatulence, should promptly seek medical attention, clear cause, give targeted treatment and regulation. The above medications should be used in accordance with medical advice.