The main reasons for the baby vomiting bubbles include the following: 1, caused by children suffering from gastroesophageal reflux, if children have gastroesophageal reflux, children will often have vomiting after eating milk, and children will also have the symptoms of vomiting bubbles, you can give children timely application of acid suppression, gastric protection drugs, such as the application of omeprazole for children. 2, caused by children suffering from respiratory infections. If the child has acute bronchitis or acute pneumonia, the child’s respiration will be significantly accelerated, thus causing shortness of breath in children, shortness of breath in children will cause nodding-like breathing and vomiting bubbles, we must promptly anti-infection, phlegm treatment.