Roundworms in children’s stomachs are intestinal parasitic diseases caused by parasitic infections. This is mainly seen in poor hygiene conditions, and children do not care about hygiene, thus infected with roundworms through fecal-oral transmission. Children with roundworms in the stomach, that is, adult parasites in the intestinal tract, the child’s performance can be relatively mild, no performance, can also be manifested as a loss of appetite, or eat a lot and easy hunger, often accompanied by different degrees of abdominal pain, abdominal pain is located around the umbilicus, to the child rub the belly can be relieved, diarrhea or constipation is also a manifestation of this roundworm disease, some children will also appear hives, some children can also appear hives. Some children may also have hives, grinding of teeth when sleeping, accompanied by nausea and vomiting, some children may have depression, irritability and panic, and some other non-specific manifestations, such as white spots on the nails and worm spots on the face, etc. When the intestinal environment of children with high fever changes, the roundworms may twist and form clusters in the intestinal cavity, blocking the intestinal cavity and forming roundworm intestinal obstruction, and children may exhibit The child may exhibit paroxysmal abdominal cramps, accompanied by nausea and vomiting, and some may vomit out roundworms, and moveable salami-like swellings may be palpated in the abdomen. When a child is suspected of having roundworms, it is advisable to keep stools to look for eggs, and it is advisable to have more laboratory tests, and once the infection of roundworms is clear, then active deworming treatment is needed. In conclusion, the manifestation of roundworms in children’s stomachs can be mild or severe. Paying attention to dietary hygiene and forming good habits of washing hands before and after meals are very important measures to prevent roundworm infections.