Background: Ethics has long been a human concern.  Besides determining the relation between moral intelligence and moral leadership, and work ethic of the organization, the present study, has addressed explaining the role of these components on the organizational health.

Method: The method of this study was a descriptive-correlation. The research population included the staff of organization of the industry, mine and business of Hamadan (N=230). Based on simple random sampling method, the sample size was determined to be 150 people. Four standard questionnaires of moral intelligence, moral leadership, work ethic, and organizational health were used for gathering the research data. Data were analyzed by modeling structural equations.

Results: The results show that the used model is an appropriate theoretical model in the process of formation of organizational health, and all direct relationships between variables in the model are significant. Also, the results of modeling of structural equations showed that, moral intelligence explains 40 percent of the work ethic, moral leadership accounts for 57 percent of the work ethic; moral intelligence clarifies 89 percent of organizational health; moral leadership explains 75 percent of organizational health; and work ethic explains 63 percent of the variance in organizational health.

Conclusion: Based on the findings of this study, ethical indices improve organizational health by ethical factors. Therefore, according to the ethical principles may lead to organizational health.