Severe hepatitis is a kind of acute clinical critical disease caused by a variety of reasons with acute necrosis of massive hepatic cells and severe liver dysfunction so that liver function suddenly reduce or disappear, clinical manifestations as hepatic encephalopathy, coagulation disorders, renal damage and multiple organ failure. Chronic severe hepatitis B is based on chronic hepatitis B virus carrier, chronic hepatitis B or hepatitis B cirrhosis occurring in severe hepatitis/liver failure, is the main t...