Doing biochemistry can show whether bilirubin metabolism and other liver function is abnormal, it can not directly diagnose cirrhosis, but also need to be combined with pathology, ultrasound and other examinations to make a comprehensive judgment. Cirrhosis is the extensive necrosis of liver cells, the appearance of pseudolobules and nodules, and at the same time there will be abnormal liver function. If cirrhosis occurs, it will affect the liver to metabolize bilirubin and synthesize protein, and also cause platelet decrease, decreased coagulation function, elevated blood ammonia, elevated transaminases, etc. Biochemical tests such as aminotransferases and blood tests can be done to see if liver function is abnormal. The gold standard for confirming the diagnosis of cirrhosis is the pathology examination after puncture, which will show extensive necrosis of hepatocytes, pseudo lobe formation, and liver fibrosis. Doing ultrasound and CT can also reveal that the liver of a cirrhotic patient is reduced in size and has an uneven surface. To confirm the diagnosis of cirrhosis, go to a regular hospital, according to their possible causes, symptoms, etc., under the guidance of the doctor to do relevant tests for comprehensive judgment, timely detection and actively cooperate with the treatment.