5G enables the development of media convergence, with novel scientific and technological means and powerful technical support, to make the forms of media display more diversified, and constantly broaden the boundary of the development of media convergence. By analyzing the development status of 5G era, understand the great changes under the trend of media integration and the coverage boundary of media convergence marketing, explore the new form of brand communication in the media convergence era and the new trend of brand communication under the support of 5g+media convergence. Further strengthen brand communication in the form of VR, AR, big data and online Red economy.The 5G integrated media era will realize the comprehensive integration of various contents, functions and channels, the marketing mode and publicity mode of various brands will change, and the brand communication will enter the era of dancing with integrated media.