Liver can be regenerated in general, but the regeneration ability varies greatly depending on the individual’s condition. Liver is one of the more important organs in the human body, and the regenerative ability of liver cells is strong, for patients with cirrhosis, if the liver is damaged, as long as the remaining liver tissue to reach more than 50%, is able to recover, clinical for liver tumors caused by, are also follow this principle. If the individual is in relatively good health, even if 70% of the liver is removed, effective regeneration is possible. If the individual is in poor health (e.g. suffering from cirrhosis), only 50% of the liver can be removed. In daily life, it is recommended that patients should try to eat a light diet, avoid greasy food, quit smoking and drinking, and maintain proper physical exercise so as to be able to prevent liver diseases.