The main body of the work is a sunken 110 kV substation, providing basic electricity security services for the proper resettlement of relocated residents in Xiong'an Start-up Area and creating a new model of livable urban areas with complex functions. At the same time, combining with the surrounding urban forms such as living, education, and office, the station site is opened to form a science popularization and leisure park, breaking the fragmented urban interface, and exploring a new path for large-scale power public facilities to integrate into urban life.As the first sunken courtyard style substation in China, the concept of The shape of the work is based on the theme of This work inherits the construction concept of The open park environment created in this work distinguishes between safety zones and warning zones, and real-time monitoring systems and screen displays provide protection for the safety and health of park residents.