The HBV-DNA (Hepatitis B Virus Nucleic Acid) viral load reference value is usually less than 1,000 copies/mL, but the value varies from one testing hospital to another, and the results of the testing hospitals are still the main focus. Currently in China’s medical institutions in the use of HBV-DNA (hepatitis B virus nucleic acid) testing equipment differences in the detection of the value of the results are different, generally less than 1,000 copies / ml, and high sensitivity hepatitis B DNA quantitative & lt; 20IU / ml is a negative result, should be based on the hospital to provide the test data shall prevail. Hepatitis B virus subjects can pay attention to the results of the qualitative hepatitis B virus test, generally negative is a normal test value, while positive indicates that the subject may be carrying the hepatitis B virus, which may be contagious. In case of abnormal quantitative hepatitis B virus test results, it is recommended to consult a doctor in time to identify the cause of the disease and carry out targeted treatment or therapy with the help of a doctor.