Fatty liver generally does not cause pain, with the development of the disease, may cause pain due to complications, as follows: 1, simple fatty liver: generally no symptoms, fatty liver can be found by ultrasound and CT examination, the patient’s biochemical indicators are basically normal; 2, steatohepatitis: due to elevated transaminases, bilirubin, may appear loss of appetite, nausea, weakness and other symptoms, generally no pain; 3, liver fibrosis, liver cirrhosis : generally no pain, complications such as ascites and abdominal infection may cause abdominal pain symptoms; 4, liver tumor: pain in the right upper abdominal liver area, pain in the back of the shoulder, especially the right shoulder pulling pain may occur, the patient is accompanied by wasting, poor appetite and other cachectic manifestations, which belong to the end stage of the disease.