About 80-90% of people who have hepatitis B since childhood can live a normal life expectancy. About 80%-90% of people with hepatitis B do not develop the disease for life, and the hepatitis B virus does not cause damage to the liver, so it does not affect their life expectancy, and this condition is commonly known as hepatitis B carriers, who have a normal life expectancy. There are also about 10-20% of hepatitis B will develop, the hepatitis B virus causes damage to the liver, become hepatitis B patients, active treatment, with the current level of medical treatment can not develop to a serious situation, do not appear cirrhosis, of course, can also live a normal life expectancy. Because it is hepatitis B from childhood, so from childhood, attention, regular check-ups, will not appear not to check, not found, not treated ostrich state, and wait for the emergence of serious symptoms before going to check, from a discovery is the late stage of cirrhosis, and then a serious situation affecting life expectancy.