There are several possibilities for pain around the belly button with vomiting in children: in the case of infants and children under two years of age, the first consideration is the possibility of intussusception. This is because intussusception is a common disease in children under two years of age. The clinical manifestation is paroxysmal abdominal pain and vomiting as the typical clinical manifestations of the disease, this situation should be timely to the hospital, the b ultrasound examination, can accurately determine whether accompanied by intussusception. If the child is older than two years old, the pain around the umbilicus with vomiting. The first consideration is intestinal spasm or constipation caused by pain, can be warm water towel hot compresses to determine, or the use of Keseru Nanoanal, laxative to determine whether the pain disappears, to further clarify the diagnosis. If it is an older child with pain around the umbilicus accompanied by vomiting, be alert to the possibility of appendicitis. The first symptom of acute appendicitis is pain around the umbilicus, accompanied by vomiting or fever. In this case, the pain is persistent and gradually moves to the right lower abdomen. If a similar situation occurs, it is also important to go to the hospital and seek prompt medical attention.