Liver problems include medical and surgical problems. Internal problems mainly include cirrhosis, various viral hepatitis, cholestasis, drug-induced liver injury, fatty liver, alcoholic liver, autoimmune liver disease, etc. Generally speaking, the main treatment for internal liver problems is conservative treatment, which includes antiviral, anti-inflammatory, hepatoprotection, reduction of alcohol intake, lowering of blood lipids, appropriate exercise, and antimunitions, etc., and can be treated by interventional as well as artificial liver treatment, if necessary. Surgical liver lesions include intra- and extra-hepatic bile duct stones, biliary tract infections, biliary tract obstruction, hepatic occupancy, and liver malignant tumors. For the different stages of different diseases, comprehensive treatments such as interventions, conservative treatments, drug treatments, surgeries, stents, etc. can be used to achieve eradication or alleviation of symptoms.