Title: Grading Test materials from three track changes to see the development of the accordion Abstract: Following the creation of ideas more and more wide accordion, in the choice of topic, genre and the use of innovative techniques and many other aspects of the outreach, through efforts to improve the writing skills and theoretical depth, extending the lifeline of excellent works appeared with the development of modern music creation techniques with Chinese traditional culture and modern culture are closely linked to modern consciousness and national styles intertwined, making China the accordion works reflect the characteristics of a new era of China, China's accordion to a new realm of creative art peak. In this paper, three sets of accordion teaching materials for the study, first introduced three sets of accordion teaching an introduction, followed by three sets of material generated from the background, writing styles, selections range of comparative analysis of several aspects, mainly on the third set of accordion materials for a more detailed introduction to more detailed understanding of the past few years the development of Chinese accordion on the research results has been necessary to supplement and complete.