The following cases are common in children who vomit when they eat: 1, acute upper respiratory tract infection, due to congestion or herpes in the pharynx, stimulation of the pharynx during meals leads to vomiting, after giving antiviral drug treatment, such as pediatric anti-sensitive particles about 3-4 days after the stabilization of the disease, the vomiting phenomenon disappears naturally. 2, acute gastroenteritis, mostly unclean diet history, causing stomach discomfort during meals, thus vomiting, can be given oral 3, acute intestinal obstruction and other surgical disorders, in addition to vomiting often accompanied by abdominal distension, no stool, depression, to promptly go to the hospital, if necessary, emergency surgical treatment.