In the age of informationization, the mode of communication and collision between music is no longer single, the Internet leads people to explore freely in the ocean of information, and the dataization of information also makes the dissemination of music develop towards diversification. In this paper, first of all, we analyze the network of popular music dissemination path, summarize the characteristics of dissemination, and use social network analysis method to analyze the overall network structure characteristics of popular music and popular music dissemination network, including network density, node degree, and the measurement and analysis of the small groups, the analysis results show that the dissemination of popular music dissemination network is more intensive in communication relationship between the audience, and there exists a considerable portion of the dissemination network. The results show that the communication relationship between audiences in the popular music communication network is relatively dense, and there exists a significant portion of the communication network. Subsequently, combined with the theory of planned behavior, a model of the factors influencing the audience’s sharing behavior towards popular music was established. Questionnaire collection method was used and structural equation modeling was constructed to analyze the data. The results show that sharing attitude, subjective norms, and self-efficacy all have a significant effect on sharing intention (P<0.05).