Seventeen or eighteen year olds with parasitic infections can take anthelmintic medication under the guidance of a doctor. Seventeen or eighteen year old children can also have parasitic infections, common parasitic diseases are roundworm disease, pinworm disease and hookworm disease, etc., of which roundworm disease is the most common, the main clinical manifestations of abdominal pain, easy to be hungry, eat a lot of but do not grow meat and so on, a few children will have the symptoms of anorexia. Children suffering from parasitic diseases should follow the doctor’s instructions to use deworming drugs. If the child has frequent abdominal pain, or if there are eggs or adult worms in the stool, and if it is determined that the child has parasitic disease, deworming medication can be taken under the guidance of a doctor. Commonly used medications include mebendazole, levamisole, albendazole, and piperazine phosphate, and so on. Children suspected of parasitic infection, need to consult a doctor to clarify the diagnosis, timely targeted treatment. Children need to strictly follow the doctor’s instructions to use drugs, do not unauthorized use of drugs.