Purpose : Considering the role of professional ethics in the success and effectiveness of other practices, the purpose of this study was determine the share of each of the environmental and organizational components in students' professional ethics. Methodology : The present study in terms of purpose was applied and in terms of implementation method was cross-sectional from type of quantitative. The research population was faculty members of the Islamic Azad University of Tehran province in 2018 year with number 5921 people, which according to the Krejcie and Morgan table number of 365 people were selected as a sample by multi-stage cluster sampling method. The research instrument was a 31-item researcher-made questionnaire whose content validity was confirmed by 12 experts and specialists and content validity index obtained 0.790 and its reliability was obtained by Cronbach's alpha method for components of environmental 0.881 and organizational 0.943. Data were analyzed by exploratory factor analysis and structural equation modeling in SPSS and PLS software. Finding : The results of exploratory factor analysis showed that students' professional ethics had two components of environmental (9 items) and organizational (22 items) that the factor load of all items was higher than 0.50. Also, the results of structural equation modeling showed that the model of students' professional ethics had a good fit and according to the standard coefficients of the paths, the share of environmental and organizational components in students' professional ethics was 0.250 and 0.327, respectively. Conclusion : Considering the share of environmental and organizational components in students' professional ethics, planning is necessary to improve their professional ethics through both environmental and organizational components and the indicators of each of them.
