Objectives : This study was aimed to grasp the stages of change in breast cancer screening of the nurses and general women who were over 20 and under 50 and specify the factors which affected the stages of change in breast cancer screening, based on Precaution Adoption Process Model. Methods : This study was conducted for 158 people who consisted of the nurses and general women who were over 20 and under 50. Results : As a result of examining the factors of cues to action and the belief in cancer screening according to the stages of change in the breast cancer screening of the nurses and general women, there was not a statistically significant difference and the perceived barriers showed a statistically significant difference in the stage of behavioral decision, the fifth stage. Conclusion : It is necessary to approach the individuals with the recommendation of cancer screening through the people around them and differentiated strategies considering the stages of change in cancer screening in order to induce the behavioral change in breast cancer screening, and develop and apply the strategies to enhance the severity perceived on the breast cancer.