Abstract: Utilizing the advantages of the interdisciplinary studies,it is attempted to research on the innovations of Art Nouveau referred to the theories of the diffusion of innovations in communication studies.Based on these analyses,it is put forward the enlightenments for the architecture creation and pointed out that the architect should not only seek for the breakthrough of the methodology,but also establish a dialectical unity relation between moderate innovation and high innovation according to the different conditions.In addition,the architect should pay more attention to the exertion of ecological thought and the diversity of the creation in order to obtain the good effects of the diffusion of architecture innovations.