Children vomiting and diarrhea stomach pain, may be due to gastroenteritis and improper feeding and other reasons, should be timely consultation to identify the cause. 1. Gastroenteritis: children’s gastrointestinal function is relatively weak, the resistance to external infections is low, easy to gastroenteritis, gastroenteritis patients mainly manifested as nausea, vomiting, abdominal pain or diarrhea and other symptoms. 2. Improper feeding: children overeating or overconsumption of stimulating food, easy to cause gastrointestinal dysfunction, which in turn triggers vomiting, diarrhea and abdominal pain and other symptoms. Children vomiting and diarrhea stomach pain, there may also be other reasons, it is recommended to go to the hospital in time, complete the examination to determine the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.