If a breastfed baby has an improper diet, it is easy to cause the baby to have flatulence symptoms. The peristaltic function of the gastrointestinal tract will also cause the baby’s stomach to be bloated, such as ice cream, ice-cream and other foods frozen in the refrigerator; 3, too much protein in the diet of the mother, resulting in too much protein in the milk, the baby is prone to indigestion and symptoms of bloating, such as beef, fish, chicken, etc.