This study aimed to pathologies and presents a model for the development of administrative ethics in Iranian state banks which was basic research of the mixed method. For qualitative data analysis, thematic theory and for quantitative data analysis, structural equations were used. The statistical population of the qualitative section consisted of members of the board of directors and senior managers of credit and human resources departments of state-owned banks, 22 of whom were purposefully selected for semi-structured interviews. The statistical population of the quantitative section consisted of staff and staff managers and experts of state banks, 300 of whom were randomly selected for relationships between variables based on Cochran's formula. The results showed that the development of administrative ethics model in Iranian state banks consists of 437 themes, 322 primary concepts, 17 concepts and 3 main themes, which are the most significant components; "individual dimension", "organizational dimension" and "environmental dimension". Manuscript profile