Hepatitis B 2.5 positive means that the previous hepatitis B virus infection has been cured, or in the recovery period of acute hepatitis B infection. Hepatitis B 2.5 positive refers to hepatitis B virus surface antibody (HBsAb), hepatitis B virus core antibody (HBcAb) positive, the clinical significance is to indicate that the patient was originally infected with hepatitis B virus, but now has been cured and recovered, and the body has a certain degree of immunity, this time is no longer infectious. Another situation is the recovery period of acute hepatitis B, atypical cases will also appear hepatitis B 5 2.5 positive, and then do not rule out the possibility of surface antigen re-positive, so it is recommended that hepatitis B 2.5 positive people some time to review the hepatitis B 5, in order to rule out the possibility of hepatitis B surface antigen re-positive. Hepatitis B 2.5 positive patients do not need to worry too much, it is recommended that patients still need to strengthen daily life management and follow up on time. The other three items of Hepatitis B 5 are Hepatitis B Surface Antigen (HBsAg), Hepatitis B e Antigen (HBeAg), Hepatitis B e Antibody (HBeAb), and the positive results of different indexes represent different meanings. The clinical significance of the results of Hepatitis B five tests must be analyzed and judged by professional doctors.