Liver envelope not smooth is an imaging description during abdominal ultrasound or CT examination, which can be seen in liver damage, cirrhosis, liver tumors and so on. 1. Liver damage: there are many causes of liver damage, which are commonly seen in viral hepatitis, autoimmune hepatitis, alcoholic liver, fatty liver, drug-induced liver damage, etc., or due to biliary and pancreatic diseases. It is suggested that patients can improve the liver function test, if the liver function is abnormal, then further improve the viral hepatitis antibody, autoimmune liver antibody, abdominal CT, magnetic resonance and other tests to further clarify the diagnosis. 2. Cirrhosis: early cirrhosis or hepatic fibrosis, there may be a lack of smooth liver envelope, it is recommended that patients improve the hardness of liver tissue, hepatic fibrosis, abdominal CT examination to clarify the diagnosis. If it is cirrhosis, patients are advised to avoid drinking alcohol and taking drugs that damage the liver. Regularly check the liver function index and abdominal imaging. 3. Liver tumor: If it is considered to be caused by liver tumor, early surgical treatment is needed to get relatively good treatment effect. If any of the above situations, patients are recommended to go to regular hospitals to determine the cause of the disease and do targeted treatment.