Spreading fuction of literature and art

This article researches the function of literature and art from the angle of propagation.Literary and art criticism is also a kind of propagative activity intrinsically.It spreads literary and art information to the appreciators through the criticism of literary and artistic works. The spreading function of literary and art criticism displays in two aspects,that is definition and appreciation.The former means critical writersthe function of the pursuit and excavation of the significance of the literary and artistic works. The significance of the literary and artistic works hides in the dim expression and transmission of the language of literature and art.The later means critical writersappraisal and judgement of aesthetic value of works. The appreciation includes aesthetic appreciation of both concrete and sensible form and ideological connotation of works.The spreading function of literary and art criticism is achieved in the moving state of definition and appreciation.