Abstract: This paper mainly focuses on the in-depth study of the relationship between extracurricular sports activities and classroom teaching in Colleges and universities. Through the discussion of the shortcomings in physical education teaching in Colleges and universities, it puts forward several suggestions, mainly including the innovation of traditional physical education teaching mode, the centralized integration of theoretical and practical activities, the improvement of physical education teaching mechanism, the improvement of teaching assessment and evaluation system, etc., so as to promote physical education in Colleges and universities The coordinated operation of the classroom teaching of the external activity course is committed to the improvement of the students' professional quality and physical quality, so as to greatly improve the teaching effect.

Key words: Colleges and universities, Extracurricular sports activities, Classroom teaching, Contact