Abstract:Objective To investigate the current situation and its influencing factors of hepatitis B prevention health knowledge among floating population in Chaoyang district of Beijing and then to provide the basis for the health education strategies. Methods Totally 1136 respondents aged over 18 and living in Beijing for more than 6 months were selected by multistage random cluster sampling method and investigated by face-to-face survey with questionnaire. Results As for HBV transmission ways, the awareness rates of that HBV can be transmitted by mother-to-child transmission and it cannot be transmitted by daily contact were 56.43% and 51.14% respectively. The awareness rates of that newborns should be vaccinated within 24 hours and hepatitis B vaccination is the main method of preventing hepatitis B were 59.95% and 63.12% respectively. There were only 19.10% of respondents clearly knowing that they had received full–course hepatitis B vaccination or hepatitis B&C combined vaccination. 52.20% of respondents possessed the health literacy of hepatitis B prevention. Logistic regression analysis showed that age,workplace, education level and the awareness of hepatitis B vaccination were the influence factors of the health literacy of hepatitis B prevention (P < 0.05). Conclusions Health education of hepatitis B prevention and control among floating population should focus on the knowledges of hepatitis B vaccination and transmission routes. And people working in construction sites, under 30 years old and with primary and lower education background should be the main targets.