How can hepatitis B be prevented?

If you want to prevent hepatitis B, you should go to the hospital for a two-and-a-half examination of hepatitis B. If there is no hepatitis B surface antibody in the body, you need to go to the hospital for hepatitis B vaccination, which can effectively prevent the emergence of hepatitis B; if there is hepatitis B surface antibody, it indicates that the human body has certain resistance to hepatitis B virus.