Hepatitis B 245 long-term positive is normal, suggesting that previous infection with hepatitis B, but has been cured, at this time is not contagious. Hepatitis B 245 is an indicator in the hepatitis B five tests, which is normal. Hepatitis B 245 is positive for hepatitis B surface antibody, hepatitis B e antibody, and hepatitis B core antibody. Positive hepatitis B surface antibody suggests that the body already has hepatitis B protective antibodies; positive hepatitis B e antibody indicates that one has been infected with the hepatitis B virus and is now immune to the hepatitis B virus; positive hepatitis B core antibody also suggests that one has been infected with the hepatitis B virus, which will persist for many years. In hepatitis B five tests, the result suggests that hepatitis B 245 positive people are normal, not infectious, if the antibody level is low, you can inject hepatitis B vaccine to improve the antibody level and prevent hepatitis B infection. It is recommended to keep a good mood and avoid too much tension. Daily attention to develop good habits, rest on time, avoid overwork. Appropriate exercise can enhance physical fitness and improve the body’s resistance.