Fever caused by stomach pain can be checked with routine blood, liver and kidney function, urine routine and abdominal ultrasound or x-ray. Stomach pain and fever are usually fever caused by bacterial infection, which can be treated symptomatically with antibiotic drugs, cephalosporins and quinolones, plus metronidazole or ornidazole. The most common cause of internal medicine is acute gastroenteritis, usually with symptoms such as diarrhea, nausea and vomiting, without abdominal pressure pain, in addition to the above anti-infection, but also need rehydration treatment. In addition, to also exclude some surgical diseases, if the fever is caused by acute appendicitis, with rebound pain in the right lower abdomen is more obvious, it is recommended to consult the general surgery department, and generally choose conservative treatment and surgery. If the fever is caused by acute cholecystitis, with pain and pressure pain in the right upper abdomen is more clear, then it is necessary to visit the biliary and hepatic surgery department, and if necessary, surgical treatment. If the fever is caused by urinary stones combined with infection, there are often also symptoms of urinary urgency and frequency and changes in urine color, which require a visit to the urology department for treatment. There are also symptoms such as stomach pain and fever caused by intestinal obstruction, and usually nausea and vomiting and lack of gas, which require urgent consultation and treatment at the Department of General Surgery.