The causes of liver pain can be divided into inflammatory diseases and tumor diseases. 1. Inflammatory diseases: liver pain caused by inflammation, there will be systemic reaction caused by inflammation, including redness, swelling, heat, pain and dysfunction. Inflammation can make the liver obviously enlarged, and then spread to the costal margin and peritoneum, and the patient can produce obvious pressure and pain in the right lower abdomen, rebound pain, and even muscular tension; if there is rupture of liver abscess, diffuse peritonitis will occur, and then peritoneal irritation signs will be more serious. 2. Tumor disease: in tumor patients, liver pain can be local manifestation, with paroxysmal swelling and pain in the liver area, which can be radiated to the back of shoulder; if the tumor invades into the stomach and duodenum, the abdominal pain will be aggravated, and it can also lead to intestinal obstruction, which will result in abdominal pain, vomiting, abdominal distension, and stopping of defecation and bowel movement. If you have symptoms of discomfort in the liver area, you should go to the hospital in time, and under the guidance of physicians, give targeted treatment after clarifying the cause.