N-Screen is a service that allows the user to use the common contents anytime, anywhere on a variety of devices equipped with a common operating system. In order to vitalize the advertisement of N-Screen era, structuring a system that can measure the effects of exposed advertisement and freely exposing the advertisement on all devices are the essential elements. And in order to structure such system, the standardization of advertising materials and advertising metadata is first required. This study was conducted with the main goal of proposing the method of standardization of advertising metadata and advertising materials for the vitalization of N-Screen advertisement. For this purpose, a literature review and advice from expert was conducted and based on this draft with in-depth interviews with experts, a direction for standardization of advertising materials and advertising metadata of N-Screen advertising was proposed. In addition, a discussion on considerations during the standardization of advertising materials and advertising metadata, government support and configuring the propellant was also proposed.