Hepatitis B antibodies are usually checked once every 3 to 5 years, and the effect of hepatitis B antibodies produced by different body types can vary. Since the hepatitis B virus is a contagious, inflammatory disease, early vaccination against hepatitis B is usually recommended for prevention. Generally, the body will stimulate the immune system to produce Hepatitis B antibodies after this Hepatitis B vaccine. Hepatitis B antibodies will persist in the body for 3 to 5 years, so it is usually recommended to check for Hepatitis B antibodies once every 3 to 5 years. The Hepatitis B antibody test will show how well the antibodies are being produced in the body. If the level of Hepatitis B antibody is low, you are susceptible to Hepatitis B virus infection and need to be re-vaccinated with Hepatitis B vaccine under the guidance of your doctor. If the test shows a high level of hepatitis B antibody, there is no need for another hepatitis B vaccination. After vaccination against hepatitis B virus, it is also necessary to take good daily protection, maintain a good lifestyle and go to the hospital in time if you experience any discomfort.