Music art is a subject integrating theoretical operation, practice, improvisation and creation. It requires music teachers to have certain music perception ability, good music memory ability, rich music performance ability, improvisation ability and music aesthetic evaluation ability. Music teachers should also have the ability to listen to music. Music teachers' music hearing ability should not stay at the general level of pure perception, but should integrate systematic professional knowledge and rich humanistic connotation into higher-level perceptual sound representation, so as to realize multi-level understanding of music text.