If a child is infected with ascaris lumbricoides, he or she can take albendazole, which is often referred to as "intestinal worm serum". If he or she takes intestinal worm serum orally once before going to bed, he or she can achieve the effect of treating ascaris lumbricoides. If you are infected with ascaris lumbricoides, you should pay attention to the following complications: biliary ascaris lumbricoides, digestive tract perforation. Once a child infected with ascaris lumbricoides is found to have obvious abdominal pain, relevant examination and treatment should be carried out. It is best to have a color ultrasound of the abdominal biliary tract. In serious cases, an abdominal standing film can be taken to determine whether there is a perforation of the digestive tract. When this happens, the child needs to go to the surgery for treatment. Usually, the child must pay attention to hand hygiene. Every time he eats, he should wash his hands carefully to prevent infection with ascaris lumbricoides.