With the changes in network technology, digitization and intelligence, the development of new media has shown postmodern manifestations. The characteristics of new media such as information diversity, user interactivity, content fragmentation, and environmental virtualization are consistent with the ideas of postmodernism. Postmodernism has brought great disturbances in various industries such as culture, art, media, and architecture. Postmodernists freely exert their core doctrines in the network environment, which has a strong impact on the development of new media. Including the role of promoting the development of new media and disrupting and inhibiting development. This article will point out the manifestations and infl ences of postmodernism in new media, with the aim of avoiding the distortion of personal values and the destruction of the media ecology due to blindly following postmodernism and lack of deep understanding.