DX is about to bring about change in many industries. This transformation is supported by the logic of the digital platform. However, digital platforms are decentralized, intertwined with institutions, markets, and technologies and are difficult research objects. Among them, there is a strong possibility that the current platform is discussed in a non-digital world based on the existing theory. The solution of this problem is urgent. However, digital platforms compete on various technology architectures, making appropriate units of analysis difficult. So I focus on in this article: what is the difference between digital platforms and platforms? , what new issues are occurring?