Children with stomach pain and vomiting but not diarrhea may be intussusception, pyloric spasm, ascaris intestinal obstruction caused by air enema, atropine and other antispasmodic drugs, albendazole and other drugs to expel ascaris lumbricoides, respectively. 1. Intussusception: if the child suddenly found frequent vomiting, containing bile, accompanied by paroxysmal abdominal pain but not diarrhea, abdominal mass can be found, may be intussusception, can be X-ray fluoroscopy air enema reset treatment. 2. Pyloric spasm: pyloric spasm is mostly seen in children, often manifested as vomiting, abdominal pain but not diarrhea, can be applied to antispasmodic treatment such as atropine or surgical treatment. 3. Ascaris intestinal obstruction: Ascaris intestinal obstruction is more common in rural children, the onset of vomiting, abdominal pain but not diarrhea, the abdomen can be found irregular, cord-like masses, can be applied to thiamphenicol, albendazole and other drugs to expel roundworms. If the symptoms of children’s stomach pain and vomiting but not diarrhea, you need to go to the regular hospital in a timely manner to clarify the cause, by the doctor according to the situation of the individualized treatment plan, so as not to delay the condition.