Children vomiting in the middle of the night, stomach pain is mainly due to the following reasons: First, eating improperly caused by acute gastroenteritis, such as eating too much indigestion caused by vomiting, stomach pain, need to vomit after fasting for about two hours, can be combined with oral hawthorn pills and other digestive drugs. Second, viral enteritis caused by pediatric vomiting, stomach pain, such as rotavirus enteritis, early only vomiting, stomach pain after the phenomenon, followed by diarrhea symptoms. Third, pediatric intussusception or intestinal obstruction and other common surgical diseases, the child will vomit suddenly, the phenomenon of stomach pain, usually obvious abdominal distension, the need to actively take the child to the hospital for a detailed examination, according to the early symptoms can be unnecessary surgery, if the time is long, you will definitely need surgery for treatment.