Vomiting and diarrhea in children is mostly caused by acute gastrointestinal infections or gastrointestinal dysfunction. If the baby vomiting obvious, eat any food is also easy to cause vomiting, instead of stimulating the gastrointestinal nerves, so if the vomiting obvious can be short-term fasting. If the vomiting is reduced after early feeding, we should pay attention to the diet light, small meals, can eat such as milk, porridge and other easily digestible food; if accompanied by abdominal pain, the symptoms do not improve, need to give oral medication, such as amoxicillin clavulanic acid potassium anti-infective treatment, as well as oral polypeptide tablets, clostridium casei and other drugs to help digestion and regulate the balance of intestinal flora. If there is still no improvement after the above treatment, and there are signs of dehydration such as few tears when crying and decreased urine output, it is necessary to go to the hospital in time.