The research on information technology (IT) innovation at organizational level has gained plentiful and substantial achievements; existing research in this field presents the pattern of perspective diversification. This paper first introduces the concept of IT innovation and innovation diffusion, and then reviews five dynamic perspectives on the study of the influence factors of IT innovation diffusion, which are organizational learning, social contagion, management fashion, organizing vision and computerization movement. Suggestions and expectations are presented at the end of this paper.