The purpose of this study was to investigate the recognition of the infection routes, symptoms and treatments of HBV by students of health-related departments so as to help students learn correct knowledge about hepatitis B and provide the basic data for establishment of oral health policies to prevent hepatitis B and improve the quality of infection management. For the subjects of this study, 666 students of health-related departments and other departments of universities in Daegu City, Gyeongbuk Province were arbitrarily chosen and given a questionnaire. Then the questionnaires collected between October 1st and 31st, 2007 were analyzed. Major findings from this study are summarized below. 1. Regarding general characteristics of the subjects, 311 were students of health-related departments and 355 were students of other departments. 55.9% of the health-related department students and 49.0% of the other department students received immunization against hepatitis. 36.0% of the health-related department students and 31.6% of the other department students had antibodies. 2. Regarding the recognition of the infection routes of HBV, the right answer "Infected through placenta" was chosen by more juniors(94.4%), sophomores(93.8%) and freshmen(74.1%) of health-related departments than other students in this order (P<0.05). The answer "Infected through sexual intercourse" was chosen by the highest percentage(75.0%) of juniors followed by freshmen(69.2%) and sophomores(31.9%) (P<0.05). 3. The percentages of health-related department students who knew that "HBV can develop into hepatic cirrhosis or liver cirrhosis were the highest among juniors(88.9%), freshmen(87.7%) and sophomores(68.8%) in this order(P<0.05). Among the other department students, the percentages of right answers to the question "Acute HBV infection shows jaundice" were the highest among juniors(75.0%), sophomores(74.8%) and freshmen(58.7%)(P<0.05).