Background:  Examining the position of professional ethics can be effective in advancing to the great goals of the education system. The purpose of this study was to investigate the relationship between organizational health and professional ethics with the mediating role of person organization fit.
Method: The research method is descriptive - correlation. The statistical population consists of all teachers working in the first secondary school education of Hamedan, 280 teachers were selected by cluster random sampling, proportional to the size of each class as a statistical sample. Three questionnaires were used for collecting the data: organizational health, professional ethics, and individual-organizational fit. The collected data were analyzed by using Pearson and structural equation modeling in SPSS and LISREL software.
Results: Results of the study showed that the relationship between organizational health and professional ethics with mediating role person organization fit is positive and significant.
Conclusion: Undoubtedly, in order to have organizational health, we need to promote professional ethics in the organization, which will be strengthened by increasing the fit between the individual and the organization. As a result, in order to develop professional ethics among teachers, managers must pay attention to organizational health and individual-organizational fit.