Introduction: The purpose of this study was to translate the Chinese version of the Situational Interest Scale (SIS, Chen, Drast & Pangrazi, 1999) and examine its reliability and validity. Method: Three stages were conducted in this study. At the first stage, the original SIS was translated into Chinese and administered to 275 7th and 9th grade of junior high school students (152 boys, 123 girls, 14.43 ± 0.78 years old) in order to perform a confirmatory factor analysis (CFA). At the second stage, we sampled 204 5th and 6th grade of elementary school students (113boys, 91 girls, 11.48 ± 0.50 years old) to complete SIS and examine its cross-group invariance. Further, we recruited 27 8th grade of junior high school students (14 boys, 13girls, 13.15 ± 0.36 years old) and 57 5th and 6th grade of elementary school students (31 boys, 26 girls, 11.39 ± 0.56 years old) for test-retest reliability analysis. At the third stage, we recruited 43 5th and 6th grade of elementary school students (23 boys, 20 girls, 10.35 ± 0.32 years old) to examine the relation between the Situational Interest and motor skill performance in physical education class. Results: It is indicated that the 21-item C-SIS comprised of five subscales including Novelty, Challenge, Attention Demand, Instant Enjoyment and Exploration Intention, and showed a good fit to the data observed. Further, the C-SIS demonstrated satisfactory cross-group invariance by using a sample of elementary school students, and all sources have high test-retest reliability. All dimensions, except for Challenges, were positively related to Total Interest. And only Exploration Intention and Skill had low and positive relationship in school physical education setting. Conclusion: The Chinese version of the SIS showed adequate psychometric properties and can be used to explore how students' situational interest influences physical activities. Also, PE teachers and researchers can use C-SIS to design learning tasks that appeal to student. Future studies are suggested to use the C-SIS to explore different learning phases, learning tasks, teaching strategies, groupings toward to learning achievement on students. [ABSTRACT FROM AUTHOR]