Hepatitis B core antibody > 1 PEIU/mL indicates the presence of hepatitis B virus infection in the patient. Hepatitis B core antibody is an immune antibody against hepatitis B core antigen, which is a sign of hepatitis B virus infection. Normal hepatitis B core antibody in clinical test is ≤0.9PEIU/mL, if it exceeds the normal value, it is hepatitis B core antibody positive performance. Hepatitis B core antibody＞1PEIU/mL indicates that there is hepatitis B virus infection in the patient’s body, and it is recommended that the patient should consult a doctor in time to supplement the hepatitis B penta-analysis, and read the results of the test to determine whether the infection is present or past infection. 1. Previous infection: only hepatitis B core antibody is positive in the result, without other abnormalities, indicating that the patient has been infected with hepatitis B virus in the past and has recovered. 2. Current infection: Hepatitis B core antibody is positive, if there are hepatitis B surface antigen positive, e antigen positive or e antibody positive, it means that there is hepatitis B virus replication in the patient’s body, and the patient is infectious, and needs antiviral treatment. If the patient’s physical examination finds that there is positive hepatitis B core antibody, he should consult a doctor in time, complete the hepatitis B five tests, and follow the doctor’s instructions to carry out antiviral treatment. Usually need to pay attention to rest, eat more vegetables and fruits, avoid overwork and stay up late, keep a happy mood, prohibit drinking alcohol.