In the process of historical development

different nationalities have created a variety of musical instruments according to their living environment and the surrounding things. The main instrument of Chiang nationality is QiangDi (also known as Qiang Flute)

which is different from the traditional flute. The playing method needs to be played with the method of blowing up the gills and combining with certain skills. In the process of the development of modern technology

it is necessary to inherit and protect national musical instruments. For example

multiple musical instruments can be combined to play more magnificent music. This paper analyzes Chiang musical instruments under modern science and technology

and discusses how to improve the performance frequency and effect of national musical instruments and strengthen the protection of folk music.