Introduction: Regarding the role of emotion regulation in choosing a way to overcome stressful situations, present study aimed to predict resiliency, based on cognitive emotion regulation strategies and positive and negative affect in women with breast cancer.

Methods: Method of this study is a descriptive –correlation. The study sample consists of 120 women with breast cancer that selected by purposive sampling method. For gathering data was used of Connor & Davidson resilience scale, Garnefski& et al  cognitive emotion regulation and Diener& et al positive and negative experiencesScale.

Results:The results showed that the positive cognitive emotion regulation strategies, including  positive reappraisal strategies, self-blame, taking a positive point of view  and re-consideration of planning in four steps, indicaying total predicts  0.65 of resiliency variance (p<0.001), but positive and negative emotions were not able to predict resiliency. Resiliency with positive cognitive emotion regulation strategies and positive affect had a significant positive correlation, with negative cognitive emotion regulation strategies and negative affect had a significant negative correlation (p<0.001).

Conclusion:Based on these results, it can be concluded that strengthening the positive cognitive emotion regulations should be regarded as a target for interventions and conceded resiliency training programs.