Increasing Hepatitis B Surface Antigen values are usually caused by an increasing number of Hepatitis B viruses. Hepatitis B surface antigen is a protein encoded by the S region on the DNA strand of the Hepatitis B virus, which is released into the bloodstream through the viral casing and detected by reagents. If the number of hepatitis B viruses increases, the value of this test will also increase. In order to understand the condition, liver function, liver and gallbladder ultrasound, and hepatitis B virus DNA quantification are required. Hepatitis B disease manifests itself as jaundice, right upper abdominal pain, anorexia, loss of appetite, weakness, dark color and other symptoms, and the test results combined with clinical symptoms can understand the condition. Hepatitis B surface antigen value is getting bigger and bigger patients should actively consult the doctor, patients should not blindly take drugs to avoid adverse results.