Modular blockchain is not just a technological shift but also a crucial strategy to drive the entire blockchain ecosystem toward future challenges. We will dissect the concept of modular blockchain, analyze related projects, and provide a comprehensive, practical interpretation of modular blockchain knowledge to help readers better understand. At the same time, we will also look ahead to future development trends. If the ecosystem can be more harmonious and interconnected, users will be able to use blockchain technology more easily, which will also attract more new users to Web3.