This study was attempted to provide basic data on mental health by identifying factors affecting the resilience of firefighting officers. The data collection was conducted from May 1st, 2018 to May 31st, 2018, with the consent of the target person and the questionnaire was conducted. The number of participants used in the final analysis was 147. The questionnaire consisted of demographic characteristics, stress coping, and resilience. The collected data were analysed using SPSS 21.0 statistical program using descriptive statistics, t-test, ANOVA, Pearson's correlation, and Multiplier regression. The results of this study showed that the difference in resilience according to general characteristics was the result of subjective health condition, stress relief method, and subjective health condition in stress coping. Resilience showed a static correlation with stress coping, and stress coping showed a positive correlation between active coping and passive coping. In addition, active coping showed a positive correlation with passive coping. Based on the above results, regression analysis showed that factors affecting resilience were stress coping and subjective health status, and the factors used in the analysis explained 49.2% of resilience.