摘要：The present study aimed to investigate the factors affecting the ethics improvement of professional Iranian football athletes. The present study is a type of mixed research which was conducted in the field. The statistical population of present study included all players of Iranian Professional Premier League. 165 people were identified as the research sample. Data collection tool in this study was a semi-structured interview and a questionnaire. The results showed that 5 personal, sport, biological, mental and environmental factors improve the ethics of professional Iranian football athletes among which the environmental factors were identified as the most important factor. Therefore, it is important to pay attention to the environmental issues to develop the ethics of professional Iranian football athletes. Due to the results of present study, it is suggested that by examining and monitoring the sport environment of athletes and emphasizing the values of sport and society in this environment to promote the ethics of athletes.
