Foods that can cause flatulence in babies while breastfeeding include soy products, oily foods, and foods with high sugar content. First of all, after consuming soy products such as soy milk, tofu and dried beans. Eating too much soy products while breastfeeding will not only cause flatulence for yourself, but will also affect your baby. The intestinal tract of a small baby is not yet well developed, and it is easy to be affected by the mother’s diet and develop flatulence. Secondly, some greasy food, such as cream cakes, fried food, etc., too much intake will also appear baby bloating. Furthermore, foods with high sugar content, such as candy and milk tea, will enter the baby’s body through breast milk and ferment to produce gas in the baby’s intestines, thus easily causing flatulence in babies. If your baby has flatulence in the clinic, the mother can recall the recent diet to see if it is related to the consumption of a certain food, and it is recommended to consult a medical professional in time to investigate the cause.