Intestinal obstruction caused by ascariasis can be examined by CT, and it can indicate the degree and location of intestinal obstruction and provide the basis for clinical treatment. Ascariasis is usually caused by ingestion of roundworm eggs, and its transmission mode is fecal-oral transmission, with a higher incidence in rural areas, often occurring in children. Most infected people have no obvious symptoms in the early stage, and nausea, vomiting, abdominal distension and abdominal pain may appear in the progress of the disease. Clinical diagnosis of ascariasis usually requires a fecal examination, and if roundworm eggs are present in the feces, the diagnosis of ascariasis can be confirmed. As for intestinal roundworms or the presence of roundworms causing intestinal obstruction, the diagnosis can also be clarified by CT and other imaging tests, which can also detect roundworms in the pancreatic duct and liver. The appearance of roundworm disease, it is recommended to go to the regular hospital in time, timely treatment.