Abstarct: The purpose of the present research is to standardize the ethical sales behavior questionnaire. The research method is descxriptive-analytical and applied. The collection of information has been done both electronically and in the field; So that a number of questionnaires were published online through virtual pages and some were distributed in the field in the fitness clubs of Mashhad city. The statistical population of this research includes all the male and female bodybuilders of Mashhad city who have used the services of a fitness club in at least a certain period of time (for example: one month) and were selected as available. A statistical sample of 220 people was selected baxsed on the number of scale items baxsed on the Klein method (1994) for confirmatory factor analysis; Finally, 220 questionnaires were used for analysis. The research tool was the ethical sales behavior questionnaire, the face and content validity of the questionnaire was approved by 12 professors and sports management specialists. Its construct validity was checked with confirmatory factor analysis. Its internal reliability was confirmed by Cronbach's alpha coefficient. The results of the research showed that 7 items related to the variable of ethical sales behavior that were examined baxsed on confirmatory factor analysis were confirmed. Finally, baxsed on the findings of the research, it was confirmed that the Ethical Sales Behavior Questionnaire with 7 items has the necessary validity and standards to be used in the field of sports management.