1. Viral hepatitis is an infectious disease caused by hepatitis virus, mainly caused by liver lesions. Viral hepatitis can damage liver cells and lead to abnormal liver function.
2. Alcoholic hepatitis is a liver disease caused by long-term excessive drinking. Alcohol can damage liver cells and lead to abnormal liver function.
3. Liver cirrhosis is mostly due to long-term heavy drinking and long-term cholestasis, which easily leads to large-scale necrosis of liver cells and abnormal liver function.