Abstract: From the history of art ideology it can be seen that music has either positive or negative effect on morality.The philosophy on the relationship between art and morality includes radical morality theory,radical self-discipline theory,mild self-discipline theory,and mild morality theory;the philosophy on the relationship between music and morality includes referential theory,formalism,and absolute expression theory.A conclusion is drawn that the positive effect of music to morality is conditional.

Key words: music, morality, relationship