Hepatitis B test 245 positive is generally not recommended to donate blood. Hepatitis B test 245 positive generally refers to the hepatitis B surface antibody, hepatitis B e antibody and hepatitis B core antibody in the five items of hepatitis B are positive, this test result generally means that the patient has been infected with hepatitis B virus or is recovering from acute infection of hepatitis B. In this period, it is not recommended to donate blood. Blood donation is not recommended during this period. Although the patient has been suppressed or cured, the hepatitis B virus may still be present in the blood, which is contagious. Therefore, in order to ensure the safety of the blood source, it is not recommended to donate blood, and the Hepatitis B P5 test should be repeated regularly to monitor the changes. People who want to donate blood should undergo the appropriate examinations before donating blood and consult their doctors to see if they are eligible to donate blood to ensure the effectiveness and safety of blood donation.