摘要:Several attempts have been made to explore the factors influencing teacher emotions, most of which focus on external factors such as student behaviors and classroom teaching. However, research on the links between internal factors and teacher emotions is scant. Based on the control value theory, this article explored the influence of junior secondary mathematics teachers’ error orientations on their emotions, and how teachers’ error orientations and emotions were related to students’ mathematics learning strategies. A sample of 70 junior high school mathematics teachers and their students (N = 2453) in mainland China participated in this study. Confirmatory factor analysis and multilevel structural equation modeling were used to analyze the data. The results showed that teachers’ positive error orientation increased their positive emotions and reduced their negative emotions, whereas teachers’ negative error orientation increased their negative emotions and reduced their positive emotions. Regarding the effects of teacher emotions, teachers’ positive emotions increased students’ positive mathematics achievement emotions and reduced their negative emotions. Meanwhile, students’ negative mathematics achievement emotions significantly reduced their adoption of desirable mathematics learning strategies. The findings highlight the importance of teachers’ positive error orientation and positive emotion for students’ mathematics learning.