To detect liver damage in a timely manner, hepatitis B carriers are advised to have a checkup once every 6 months, or every 3 months or even shorter if liver function is abnormal. For Hepatitis B carriers, in order to detect liver damage in a more timely manner, as well as to observe the progress of the disease, it is generally recommended to have a checkup every 6 months. In addition to checking routine items such as liver function and blood test, it is also necessary to check the quantification of hepatitis B virus, alpha-fetoprotein, tumor markers, etc., to comprehensively check whether there is any deterioration of the disease. In addition, if abnormal liver function is found during the examination, such as abnormal elevation of transaminases, etc., the examination interval needs to be shortened. Generally, it is recommended that the examination be conducted once every 3 months or even shorter, so that the treatment can be adjusted according to the changes in the disease. Specifics need to be based on the doctor’s opinion, and timely medical attention is recommended.