Pediatric roundworm symptoms are mainly manifested as larval migratory disease, intestinal roundworm disease and ectopic roundworm disease, etc. The common manifestations include fever, loss of appetite, abdominal pain, etc. The symptoms are mainly systemic symptoms, including fever, hives, skin itching. 1. Ascaris lumbricoides larval migrans: the larvae of Ascaris lumbricoides wander around the body systemically and cause related symptoms, which mainly focus on systemic symptoms, including fever, urticaria, itchy skin, and migrate to the lungs to cause coughing, coughing up phlegm, hemoptysis, and so on. 2. Intestinal Ascariasis: The main symptoms of Intestinal Ascariasis are gastrointestinal discomfort, including loss of appetite, weight loss, drooling, teeth grinding, abdominal pain, diarrhea, constipation and so on. 3. Ectopic Ascariasis: Mostly occurring in children, it is mainly biliary ectopic ascariasis. As the name suggests, it is a series of biliary symptoms triggered by the retrograde entry of roundworms into the bile ducts, including severe pain in the right upper abdomen, which is like drilling pain, and the pain is very severe and unbearable. It is accompanied by nausea and vomiting, and later complications of cholecystitis and cholangitis will cause fever and jaundice. Ascariasis in children also has other symptoms, such as causing appendicular ascariasis, etc. Once children are found to have related symptoms, please consult a doctor in time for a clear diagnosis and active treatment.