Baby roundworm disease if adult worms generally cause nausea, vomiting and other gastrointestinal symptoms; larvae often cause respiratory symptoms such as coughing; into the biliary tract can appear under the raphe pain, nausea and other symptoms. 1. Gastrointestinal symptoms: generally adult parasites in the human intestinal tract, can lead to abdominal pain, nausea, vomiting, loss of appetite and other symptoms of the baby, due to the discomfort of the baby may be crying, if the disease is serious, it may lead to intestinal obstruction, intestinal perforation and so on. 2. Respiratory symptoms: roundworm larvae may migrate in the lungs, leading to fever, cough and other symptoms. 3. Biliary tract discomfort symptoms: if roundworm parasites in the biliary tract, it may cause sudden pain under the sword, and may radiate to the right shoulder, back and other parts of the body, and may be accompanied by nausea, vomiting and other symptoms. When the baby suffers from roundworm disease, it should be actively treated under the guidance of the doctor.