Pain under the right side of the raphe can be caused by gastritis, duodenal ulcer, cholecystitis, liver disease and other factors. 1. Gastritis: Gastritis can be characterized by loss of appetite, nausea, heartburn, belching, stomach acid and other discomforts, which can be manifested by distension or paroxysmal pain under the xiphoid process. 2. duodenal ulcer: duodenal ulcer, due to the stomach contents into the duodenum to stimulate the ulcer site, can appear in the right lower part of the raphe pain symptoms, but also can be accompanied by gastric acid, heartburn and other symptoms, the pain is more with the characteristics of the pain at night or pain in the empty stomach. 3. Cholecystitis: the gallbladder is located in the right upper abdomen, acute cholecystitis can appear in the right upper abdomen, the right lower part of the xiphoid process pain, often after a full meal and eating greasy food, but also can be accompanied by jaundice, fever, nausea, vomiting and other symptoms. 4. Liver diseases: Hepatitis, liver abscess and other liver diseases can cause pain in the right lower part of the xiphoid process, accompanied by fever, liver percussion pain and other symptoms. When the pain in the right lower part of the raphe is present, it is necessary to consult a doctor in time, and the specialist will clarify the condition and then actively carry out the appropriate treatment, which will help to alleviate the pain and other uncomfortable symptoms as soon as possible.