Digital technology serves as a crucial means to promote the modernization of urban governance systems and governance capabilities. In the current era marked by the rise of the Digital Twin concept

technological approaches can be leveraged to construct a Smart City Brain

achieving reality management and real-life mapping of the digital world. Through data analytics and intelligent decision-making

this enables the prediction of urban operational trends and provides technical support for the decision-making processes of urban administrators. This paper analyzes the significance and feasibility of employing Digital Twin technology to build an intelligent brain for empowering urban governance. Furthermore

based on actual cases

it proposes corresponding pathways for optimizing urban governance

offering valuable references for the future modernization of city management.