Background: Professional burnout, as a psychological state, is converted to one of the most important factors in reducing the efficiency and productivity of employees that results in a mental disability in them. There are several factors that are influential on and also impressionable of job burnout that should be considered. Therefore, this study was performed to explain the causal model of employees' job burnout.

Materials and methods:  This research was a cross-sectional descriptive-analytical study on 15 human resource experts employed in a military organization and selected by a purposive method in 2015 in Mazandaran province, Iran. The paired comparisons questionnaires were used for gathering research data and the statistical powerful techniques (Fuzzy-DEMATEL) were used to analyze the data.

Results: According to the results of Fuzzy-DEMATEL technique for ranking the importance of variables based on the values , the organizational trust (9.064) and organizational culture (7.751) were the most and least important variable, respectively. On the other hand, the results of ranking the influential variables based on the values  revealed that the Islamic ethics (0.732) and job burnout (-0.922) were the most influential and impressionable variables, respectively.

Conclusion: In generally, due to the causal influence of studied variables on employees' job burnout, managers could improve the present situation of job burnout in employees by focusing and improving on the studied variables. This can be a big step in achieving organizational goals.