In the era of big data, the rapid development of network technology is constantly changing people's learning and life. This paper mainly uses the literature data method, questionnaire survey method and data statistics method to explore the current situation of online course construction and classroom teaching of ' mass swimming ' in Sichuan Normal University. By analyzing the actual situation of online teaching of swimming class, it analyzes its advantages, as follows: (1) The development of online teaching has greatly improved the ability of students to master swimming skills, which is convenient for interaction and communication between students and teachers, and improves students ' interest in learning swimming. Online teaching stimulates students ' interest and ability in autonomous learning. The arrangement of homework can also greatly consolidate the knowledge learned in the classroom and improve students ' mastery of knowledge and skills. (3) The development of online courses has greatly enriched the teaching content of swimming lessons, helped students broaden their horizons, mastered more knowledge and skills, reasonably arranged and adjusted learning time, and created a more convenient learning environment for students.

Yu Xuelian. Analysis of the Current Situation of the Construction of Online Open Courses for "Popular Swimming". International Journal of New Developments in Education (2023) Vol. 5, Issue 21: 76-81. https://doi.org/10.25236/IJNDE.2023.052114.

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