AntDB is a cloud-native, distributed relational database created by AsiaInfo Technologies, specifically engineered to excel in high-performance online transaction processing and analytical processing tasks. With a reach of over 1 billion subscribers across 24 provinces in China, AntDB effectively manages extensive business data related to telecommunications, internet access, financial transactions, and billing systems. Its innovative cloud-native architecture allows for online scalability, consistent data integrity, and robust high availability across multiple data centers. Furthermore, AntDB adheres to SQL2016 standards and integrates effortlessly with various domestic ecosystems, including leading CPUs and operating systems. The platform provides essential features such as automatic high availability, the ability to expand capacity elastically online, and kernel-level read/write splitting, which optimizes traffic management during peak usage periods. This versatile database system has seen successful implementation in various sectors, including telecommunications, finance, transportation, and energy, showcasing its wide-ranging applicability and importance in modern data management solutions. Additionally, AntDB continues to evolve, adapting to emerging technologies and industry demands.