Introduction: Diabetes is mainly associated withnegative psychological impacts on mental health of patients. Resilience training can potentiallydecrease such problems in patients. Therefore, this study aimed to evaluate the effectiveness of resilience training on psychological well-being of patients with type II diabetes.

Methodology: This quasi-experiment(with a pretest-posttest design) was conducted on30 samples,selected from the Iranian Diabetes Association, Tehran, Iran, andrandomly assigned to the control and test groups. Resilience training was performed for the test group in the form of nine sessions, followed by a post-test. Data collection tool included Ryff Scales of Psychological Well-being (RSPWB), and data analysis was performed using ANOVA.

Results: In this study, the ANOVA test revealed a significant difference in the pre-test scores of the study groups regarding psychological well-being and its subscales, such as self-government,self-acceptance, goal orientation, control over external factors,self-development andpositive relationship with others (P<0.0001).

Conclusion: According to the results of this study, resilience training had a significant impact on improved psychological well-being of patients with type IIdiabetes. It is recommended that resilience training be used to enhance the quality of life of patients, as well as their abilityto overcome problems in life.