Babies vomiting water may be caused by gastrointestinal dysfunction or acute gastroenteritis, or caused by physiological factors. 1. Gastrointestinal dysfunction: it may be caused by the baby being frightened or other reasons, and it may also cause abnormal gastrointestinal function, resulting in the baby vomiting water, watery stools and other symptoms. 2. Acute gastroenteritis: mostly caused by unclean diet and other reasons, it can easily cause the baby to vomit, diarrhea, abdominal pain, crying and other symptoms. 3. Physiological factors: the child’s age, the stomach presents a horizontal shape, easy to vomit after drinking water. Attention to care can be. Baby vomiting water may also be due to other reasons, it is recommended to take the baby to the hospital in a timely manner, to identify the causes of targeted treatment.