Abstract: The production practice, as an important practical teaching procedure, is of great significance for the talent cultivation of engineering majors. This study selected as subjects the students of Aircraft Engineering College of Beijing University of Aeronautics and Astronautics. The research tracked the students in terms of mood changes and production practice results in two years. Questionnaire survey, interview, comparative analysis and other research methods were integrated to observe the students'emotions, contrasting and analyzing the reasons in the two years' production practice. This study finds that the emotional change trend of the students is the main factor which affects the production practice and that effective emotion regulation can improve the production practice.