If the patient has abdominal pain but the location is not fixed: 1. Consider that the patient has digestive system diseases, for acute gastroenteritis, chronic gastroenteritis, gastroduodenal ulcer, chronic colitis will have this symptom, which is a typical clinical symptom and sign of visceral involvement pain. 2. If the patient has abdominal pain but the location appears to run everywhere, consider that diffuse peritonitis or intestinal obstruction will also have this typical symptom. 3. 3. For urological diseases, such as acute renal colic, kidney stone, acute cystitis, etc., this is also a typical symptom. 4. For general surgery diseases in which hernia is caused by various factors, such as inguinal hernia, hiatal hernia, femoral hernia, etc., this is also a clinical manifestation.