This study was conducted to determine the effect of education that was given to the girls who were students at university about common cancers as breast, cervix and colorectal in women on their knowledge levels. Data was collected by using questionnaire form was prepared by screening literature. Education was given to the students as three groups by 2 lecturers for one hour and pre and post test questionnaires were practiced. In the study, of the students; the age average was 19.9±2.0, 96.9 % was single, 69.0% lived at student hostel. After the education, the knowledge of nearly all of the students related to risk factors and symptoms of breast, cervix and colon cancer were increased. After the study, it is determined that the knowledge of the students about breast, cervix and colorectal cancers was increased, largely. It is suggested that these types of educations related to protection from cancer and early diagnosis for the university students should be repeated regularly and the lecturers should be remarked this subject.
