Purpose: The aim of this study was to investigate the effect of emotional motivation on intention, motivation and change in attitudes toward entrepreneurship of sports science students. Method: The study method of this research was quasi-experimental with three groups of subjects (two experimental and control groups) and pre-test and post-test design. The research population consists of graduate and bachelor's degree students in sports sciences of Mashhad universities, in which 150 people were randomly selected as a sample and were exposed to persuasive messages for one month. Results: Findings show that positive emotional motivation, intention, motivation and change of attitude towards entrepreneurship of sports science students have a positive and significant effect. Also, negative emotional motivation had no effect on students' entrepreneurial motivation and attitude, but in relation to the variable of entrepreneurial intention, it shows a significant effect. Conclusion: Therefore, it can be concluded that by showing videos and playing clips along with images and messages related to entrepreneurship, students can be encouraged to take steps towards entrepreneurship.