In the Web3 ecosystem, interoperability between blockchains has always been a pressing issue. Currently, various blockchains often operate independently and lack efficient communication and data exchange mechanisms. AI technology can provide important help in cross-chain interoperability. AI can analyze the protocols and data structures of different blockchains through deep learning and data fusion, and help realize data exchange and value transfer between different blockchains. For example, AI can build an intelligent intermediary layer between multiple blockchains to automatically interpret, convert and synchronize data on different chains, thereby breaking down the barriers between chains and forming a more closely knit and coordinated Web3 network. Through AI-driven cross-chain interoperability, users and developers can seamlessly switch between multiple blockchain platforms and enjoy a wider range of decentralized services. This will not only help promote the widespread application of blockchain technology, but also create more possibilities for the future development of Web3.