This paper tries to illustrate the evolution of art changing from classical craft art，machanical duplication art to new media art from the perspective of art and technology. This kind of histocial changing process implies art creation shifting from artist-centered creation model to art project corporation model in the context of art technology development. The convergence of art and technology based on digitalization has changed the whole ecology of art. The paper suggests that digital creation，collection，exhibition，exchanging，consumption and digital art platform be developed extensively in the future.