Precautions for hepatitis B vaccination include: 1. Hepatitis B vaccine is an inactivated vaccine, which is safer to receive; 2. Do not receive hepatitis B vaccination when the patient has a cold and fever and during the period of taking special medication; 3. Hepatitis B vaccination is divided into three injections, the first injection is given at birth, the second injection is given after 1 month, and the third injection is given after 6 months, and adults are also vaccinated according to this time interval sequence. It is best to have a quantitative test of hepatitis B surface antibody one month after the full vaccination to understand the effect of vaccination.