Whether children need to be wormed, need to be combined with the age to see whether there is perianal itching, bloody stool, diarrhea and other symptoms, you can go to the hospital for routine stool examination, observe whether there is the emergence of worm eggs, if there is the need to be wormed. Generally younger babies parasite infection is less likely, on the one hand, the baby eat more fine, on the other hand, parents are more attentive. If the baby for school-age children, have rural play, live in the school and other life history, and appear such as itching around the anus, stool discharge parasites and other symptoms, should promptly consult a doctor, improve the stool routine examination, there is the emergence of eggs and other situations, need to follow the doctor’s instructions for worming. Usually parents need to pay attention to let children develop the habit of washing hands before and after meals, avoid drinking water, eating raw crabs, drunken crabs and other foods. Avoid parasitic infection.