The symptoms of pediatric ascariasis are usually manifested in the following aspects: 1, the most common is abdominal pain, abdominal pain is generally no obvious cause for the paroxysmal, the duration is not long to the umbilical cord mainly, the vast majority can be self-relieved. 2, there will be different degrees of gastrointestinal symptoms, manifested as a relatively low appetite, the body is relatively thin, the stool contains undigested food is more common. 3, may be part If the roundworm enters the biliary tract and causes biliary roundworms, it usually causes severe pain in the upper abdomen. 5.Some children with roundworm disease usually have white spots on their skin.