Hepatitis B vaccination is recommended for newborns and infants, and for those at high risk of hepatitis B infection. High-risk groups include people with hepatitis B virus infection in their families, AIDS patients, hepatitis C patients, intravenous drug addicts, and workers who come into contact with blood, and these people are recommended to receive the hepatitis B vaccine as soon as possible. The procedure for hepatitis B vaccination is 0, 1, 6 months, which means that after the first dose of hepatitis B vaccine, the second dose of hepatitis B vaccine is given 1 month apart, and the third dose of hepatitis B vaccine is given 5 months apart.