Right abdominal pain is caused by liver and gallbladder related diseases, diseases related to the ascending colon, acute and chronic appendicitis and many other diseases. 1. Liver and gallbladder related diseases: such as acute and chronic hepatitis, cholecystitis, triggered by infection with hepatitis virus or bacterial infection induced by cholestasis, etc., there will be severe pain in the right abdomen, which is often accompanied by vomiting, yellowish color of the face, weakness of the limbs and other symptoms. 2. Diseases related to the ascending colon: such as inflammation or tumor of the ascending colon, because intestinal inflammation or tumor is easy to stimulate the local spasm and other reactions, so the right abdominal pain, defecation abnormalities and other symptoms. 3. Acute and chronic appendicitis: mainly due to appendiceal lumen blockage or bacterial infection and other triggers, early onset of pain in the middle and upper abdomen or umbilical cord, and later accompanied by metastatic pain in the lower right abdomen, may have fever, vomiting and other symptoms. Right abdominal pain is also seen in other causes, it is recommended to consult a doctor in a timely manner, under the guidance of a professional doctor to standardize the treatment, so as not to delay the condition.