The clinical causes of pediatric abdominal pain are very many, but regardless of which condition it is caused by, the earlier it is found, the earlier it is treated, the simpler the treatment plan. 1, roundworm disease: roundworm disease is one of the common causes of abdominal pain in children, mainly due to the child may not wash their hands before and after meals, hygiene is not done properly, eat some fruits with bad cleanliness, etc., in this case can be deworming treatment. 2, appendicitis: a disease that occurs in every age group of children is appendicitis, but in addition to abdominal pain, appendicitis children will also be accompanied by nausea and vomiting or fever, this situation is an acute disease, once found it is recommended to go to the hospital as soon as possible to standardize treatment. 3, intestinal stacking: this situation is not very common, when the onset of the child will have abdominal pressure pain, one or two months after the onset of the child will also appear red jam-like stool as the main performance symptoms, if serious, it is necessary to carry out surgery. 4. Inflammation of the mesenteric lymph nodes may also cause stomach pain and vomiting in children, which requires prompt medical attention. 5. Parasitic infection can also lead to tummy pain and vomiting, which also requires timely deworming treatment in the hospital. The above lists a few of the more common causes of abdominal pain in children, of course, no matter what the cause of abdominal pain, parents are advised to take their children to the hospital for examination and treatment as soon as possible, do not blindly use drugs.