A thirteen year old child may be dewormed if a parasitic infection is present. If a thirteen year old child is determined to have a parasitic infection, such as ascariasis, pinworms, tapeworms, etc., under the guidance of a doctor, and symptoms such as vague pain around the umbilicus, diarrhea, vomiting, etc., then the doctor can choose the appropriate deworming medication for treatment according to the type of parasite. If the patient is roundworm disease, preferred mebendazole, albendazole and other drugs; pinworm disease patients, you can follow the doctor’s instructions to use pinworm ointment and other topical drugs applied to the perianal area, in order to achieve the role of killing worms, stop itching, but also oral albendazole and other drugs. For patients with tapeworms, drugs such as praziquantel can be used. Some patients taking anthelmintic drugs may have different degrees of adverse reactions, such as gastrointestinal discomfort, diarrhea, vomiting, fatigue, dizziness, etc., which may jeopardize the patient’s health if taken improperly. Thirteen-year-old children need to follow the doctor’s instructions to use deworming treatment, not blindly self-medication. Whether thirteen-year-old children need deworming, should be timely to the hospital, after a clear diagnosis, and then follow the doctor’s instructions for the appropriate treatment.