Children’s fever with stomach pain can be seen in acute gastroenteritis, acute appendicitis and other diseases, can be relieved by drug treatment and surgical treatment. 1. Acute gastroenteritis: the child may have fever with abdominal pain, this time need to adjust the diet to light and easy to digest diet; bacterial infections caused by antibacterial drugs (such as cefaclor, ceftriaxone, etc.) need to be used in anti-infective treatment, and can be orally micro-ecological agents (such as clostridium casei bacteria, etc.); viral infections do not need to be used in special antiviral drug treatment. 2. Acute appendicitis: clinical fever, abdominal pain, abdominal pain is often periumbilical pain and metastatic right lower abdominal pain, some children with atypical abdominal pain symptoms, may be accompanied by vomiting or diarrhea. Treatment requires active use of antibacterial drugs (e.g., chloramphenicol, penicillin, meropenem, etc.) to fight infection, and the use of antipyretic drugs such as ibuprofen to reduce fever during the course of the disease, and surgical treatment by a specialized physician if necessary. The above drugs should be used under the guidance of a physician, avoiding self-medication. Fever with abdominal pain in children can also be seen in many other diseases, it is recommended to actively consult a specialist to determine the cause and treatment.