This paper explores the reform of the traditional composition major teaching model under the New Liberal Arts education concept and concludes that the reform measures such as interdisciplinary integration, application-oriented enhancement, and cultivation of innovative thinking abilities. The paper discusses two aspects: first, the teaching implications of the New Liberal Arts education concept for the traditional composition major. Second, the current situation and existing problems of the traditional composition major teaching model. Through successful teaching concept reform cases in different disciplines, it provides some feasible reform plans for the composition major teaching model reform. Then, it explores the reform effect of the traditional composition major teaching model under the New Liberal Arts perspective, examined through the cultivation of composition talents. Future research can consider the reform effects and implementation paths of other music majors under the New Liberal Arts perspective.