There must be innovation in the inherita nce and development of ethnic musical instruments, and ethnic feature is not only a basic feature of ethnic musical instruments, but also the reflection of traditional culture in ethnic musical instruments. Innovation and development of ethnic musical instruments must extend its original ethnic character,so as not to lose its true features. National character of ethnic musical instruments is embodied in the national element usage,the national aesthetic consciousness in it,the formation of national lasting appeal,and the overall national style.