With the improvement of people's life quality in China, people pay more and more attention to the quality of education. The relevant departments have carried out the new curriculum reform and applied modern technology to the development of the education industry, thus improving the teaching efficiency of the education industry in China. The significance of music classroom teaching in senior high school lies in showing a broader development space for students and teachers, respecting the law of physical and mental development of senior high school students, and choosing teaching contents and methods suitable for each student to meet the music learning needs of different students, so as to stimulate their interest and creation in music learning, lay a foundation for the lifelong development of each senior high school student's cultural accomplishment, and then promote the all-round and harmonious development of students' personality. This topic is based on the theory of music education philosophy, post-modern music pedagogy, music education psychology, music aesthetic psychology and other knowledge, analyzes the problems existing in the current music education and teaching in Chinese schools, expounds the feasibility and necessity of implementing the diversified application of pop songs in high school music classes, and discusses the ways and methods of implementing the diversified application of pop songs. This paper discusses the educational function of applying pop songs to music classroom teaching and the basic requirements for teachers.