This study takes the teaching innovation of compulsory basketball courses as the research object in the context of teaching innovation of information technology in physical education disciplines in Chinese higher education. It adopts the method of using literature, action research and mathematical statistics. An experimental study was conducted on the application of the offline combined with online group flipped classroom teaching model in the basketball major compulsory course to explore the impact of the model on improving students' basketball instructional design ability. The experiment shows that the post-test t-test result of instructional design ability is -32.217 with a p-value of 0.000, and the experimental group is significantly better than the control group in terms of instructional design ability. It is concluded that the application of offline combined with online group flipped classroom teaching model can very significantly improve students' basketball instructional design ability. The aim is to construct a scientific and feasible teaching practice model for the teaching innovation of physical education courses, and to promote the educational quality change and teaching innovation of physical education professional courses.