Ascariasis still exists and is among the most common parasitic diseases in children. Ascariasis still exists and has not been completely eradicated, but it can be prevented. Ascariasis mainly refers to the infection due to the ingestion of the eggs of infective stage, the adult worms may have the habit of moving elsewhere and drilling holes, mild cases may not show obvious symptoms, ectopic parasites can lead to a variety of complications such as biliary ascariasis, intestinal obstruction, etc., which is life-threatening. Human ascariasis is the most widespread human helminthiasis in the world. After being infected by roundworms, you should actively treat the disease, use anthelmintic drugs under the guidance of a doctor, and timely symptomatic treatment, pay attention to daily dietary hygiene, do not eat raw food, wash your hands before and after meals, and pay attention to rest.