Superior ethics badge (NAB plan), that is election of most moral person, best nursing and midwifery in a university is a kind of professional ethics. The purpose of this study was to investigate the effect of the implementation of the NAB plan on the professional ethics of nursing staff in Baharloo Hospital. This semi-experimental study was done in before and after design. A 360-degree questionnaire as a data collection tool was used to assess ethical nursing staff in a checklist consisting of 5-4 questions. The five-choice Likert scale was used to describe the data from the central indices and in the inferential part, the t-test, for independent and dependent variables, repeated measure ANOVA and ANOVA were used. The results of the present study showed that the implementation of the NAB plan has a significant effect on the ethics of the nursing staff from the general viewpoint of the evaluators (P <0.001). Also gender, age (30-20 years old were more than 30 years old), education, employment status (formal, covenant, etc.), marriage status and work experience in implementation of the NAB plan had a significant effect on professional ethics of nursing staff but the interactive effect of participants' demographic characteristics was not significant. The results of current study showed that the implementation of the NAB design (superiority of ethics) in Baharloo Hospital promoted the professional ethics of the nursing staff.
