This article analyzes the current development and 2025 trends of DePIN (Decentralized Physical Infrastructure Networks). It examines DePIN's application prospects in AI computing, storage, wireless networks, and other sectors, focusing on the market landscape, investment trends, and key sectors. As capital investment and technological advancements grow, DePIN is moving from a token incentive phase to large-scale application. Despite facing challenges like technical complexity and hardware maintenance, DePIN shows tremendous potential in transforming global digital infrastructure and is poised to become a key pillar of the Web3 ecosystem.