Abdominal pain, as a common symptom of internal diseases, varies in location because of the different locations of the organs. 1. Left upper abdominal pain: the abdominal pain of patients with acute pancreatitis is often dominated by persistent pain in the left upper abdomen, accompanied by paroxysmal exacerbation, which can spread to both sides of the waist, and the pain is aggravated after eating. 2. Metastatic abdominal pain: a major feature of appendicitis, most patients first feel a vague pain in the mid-abdomen, and then transferred to the right lower abdomen after a few hours, which is a persistent pain with paroxysmal exacerbation. Most patients will have a low fever, usually ≤ 38 ℃, if there is a high fever, it may be appendicitis perforation or peritonitis. 3. Abdominal colic: the main manifestation of intestinal obstruction, mainly intermittent abdominal colic, accompanied by flatulence, some patients will vomit and stop exhaust. If the pain progresses to persistent colic and the pain keeps getting worse, it may be strangulated intestinal obstruction, which seriously affects the safety of life. 4. Persistent acute pain: most abdominal pain occurs above the abdomen and periumbilical region, usually persistent acute pain, sometimes with a burst of intensification, often accompanied by fever, nausea, vomiting, diarrhea and other symptoms, it is considered to be acute gastroenteritis. Abdominal pain, is a common symptom of internal diseases, because the location of the organs is different, so the location of the manifestation of abdominal pain is also different. When abdominal pain occurs, it is recommended to consult a doctor in time so as not to miss the condition.