The baby hit roundworm specific as follows: First, two years old and above should be given to the child once a year roundworm, because the child after all, not as hygienic as adults, it is easy to contact with the eggs. Second, now playing roundworm medicine is generally broken adult worms, did not see the whole worm out do not have to be nervous, if there is a whole worm, indicating that the child’s stomach roundworm more. Third, usually over two years old children are allowed to eat deworming drugs, less than two years old found it necessary to eat drugs, but there are contraindications to check the specific instructions for the use of relevant drugs. Fourth, children’s deworming once a year is enough, do not eat frequent deworming medicine. If it is now the city’s sanitary conditions, the chances of having intestinal parasitic disease is very low, if the baby repeatedly appear around the umbilicus pain, do not at once suspected of intestinal ascariasis, frequent worming treatment.