Exploration on the blended learning mode of physical education teaching in colleges and universities under the background of Internet + is studied in this manuscript. We should organize various activities for students to observe classes or focus on teaching and training, so that physical education teachers can raise their awareness, popularize traditional national physical education teaching methods, and truly inherit and spread the cultural treasures of our country. For example, Skinner's procedural approach to the teaching, Skinner found through experiments. Animal behavior can be formed using the method of gradual reinforcement of operant conditioning reflexes. This paper gives the novel ideas regarding the blended learning mode of physical education teaching in colleges and universities under the background of Internet +.