Digital design technology refers to a series of methods and tools for design, simulation, and optimization using computers and related software. These technologies have achieved remarkable results in the chemical industry, such as improving design efficiency, optimizing process operations, and enhancing design quality. Power station design, especially advanced power generation technology, is a high-tech and high-risk field with complex system requirements and strict safety standards. Driven by the rapid development of information technology, these technologies have achieved significant results in improving design efficiency, optimizing process flow, and enhancing safety management. This article will introduce several advanced digital design methods and platforms used in the domestic petrochemical design field, analyze their technological breakthroughs, implementation processes, and main problems solved, and finally propose some application suggestions and future research directions for digital design in power stations.