Children vomiting drink water are vomiting common diseases are acute gastroenteritis, intussusception, acute appendicitis, etc., the treatment mainly includes antibiotics anti-infection, rehydration and other symptomatic treatment, surgical treatment. 1. Acute gastroenteritis: children’s digestive system is not yet well developed, when the diet is not appropriate or by the outside world germs infection, easy to acute gastroenteritis, manifested as vomiting diarrhea discomfort, when the vomiting is frequent, the need for a temporary fasting, accompanied by bacterial infections, timely antibiotic anti-infective treatment, such as amoxicillin and so on. In addition, it is necessary to correct the water and salt electrolyte disorders. 2. Intussusception, acute appendicitis: these diseases usually need emergency treatment, for example, intussusception can be reset using air enema, such as intussusception for a longer period of time requires timely surgical treatment to prevent intestinal necrosis, intestinal perforation phenomenon. Similarly, acute appendicitis requires prompt medical and surgical treatment. In addition, rehydration is also needed to correct water-salt-electrolyte disorders. Children vomiting phenomenon, it is recommended to timely to the hospital, under the guidance of the doctor to standardize the use of medication, in order to avoid the danger.