With the rapid development of technology, the world is facing the dual challenges of an energy revolution and digital transformation. In this context, the digital transformation of power grids, as the core infrastructure of the energy system, has become crucial for driving the energy revolution and achieving sustainable development. This article discusses the current status and trends of the digital transformation of power grids, the background and significance of this transformation, the difficulties and challenges faced in the process, and the technological measures for the digital transformation of power grids.