The commonly used medicine to fight roundworm is intestinal worm clearing, which can be taken orally by 0.4 grams for adults and 0.2 grams for children over two years old. After roundworm infection, it can lead to pain in the abdomen, most commonly around the navel, and the pain can be relieved after massaging with hands, sometimes accompanied by teeth grinding symptoms, that is, teeth will grind together at night when sleeping, and at the same time, the patient may have anorexia, that is, often eat fingernails, dirt, etc., and the patient will not grow fat after normal diet. The roundworm should go to a regular hospital and pay attention to the patient’s abdominal pain during the process of worming, the roundworm has a burrowing nature to form intestinal obstruction or biliary obstruction, relatively serious complications will occur.