Objectives: To examine students' knowledge and attitudes about breast cancer prevention measures. To determine whether nurses / technicians are familiar with preventive measures, meaning they only need to update their only need to upgrade their knowledge of breast cancer prevention measures as necessary or if more information needs to be thoroughly included in their curriculum. Study Design: The study was conducted as a cross-sectional study. Participants and Methods: The study included 102 students (from year 1 to 5) of the university graduate study programme of Nursing at the Faculty of Dental Medicine and Health in Osijek. An online questionnaire structured for the purposes of this research was used as a measuring instrument. The questionnaire consists of four parts. The first part refers to general data, the second part refers to the risk factors for breast cancer, the third part of the questionnaire refers to the knowledge of breast chemoprevention and the fourth part of the questionnaire to the attitudes about breast cancer prevention measures. MedCalc® Statistical Software version 19,6. were used for statistical analysis Results: A statistically significant difference was obtained in terms of agreeing with the claim that breast cancer education is included in the curriculum and with the claim that they had acquired sufficient knowledge about breast cancer prevention during their studies. In terms of knowledge of risk factors the highest number of correct answers was given by the respondents in the second year of undergraduate university study of Nursing. Conclusion: Students have acquired sufficient knowledge about preventive measures for breast cancer during their schooling, which confirms the result of this study by majority of respondents answering that breast cancer education is included in their curriculum. A small number of students have demonstrated someone how to perform an examination, which indicates that they have the knowledge but that they might lack the practical part in order to be able to spread their knowledge to the population with certainty.