Graphene exhibits outstanding mechanical,electrical,thermal,and optical properties,showcasing immense potential in enhancing the performance of polyimide composites.The unique two?dimensional characteristics of graphene allow for easy structural design and functional modification,presenting new opportunities for synthesizing polyimide composites with special functionalities.This review article provides a comprehensive overview of the research progress in graphene/polyimide nanocomposites in areas such as conductivity,mechanical properties,thermal properties and electromagnetic shielding.A systematic analysis was conducted on the influence of graphene's structure and functional modification on the performance of graphene/polyimide nanocomposites.Additionally,the application domains of different types of graphene/polyimide composites were discussed,with a detailed exploration of the interface interactions between graphene and the polyimide matrix and their impact on the properties of the nanocomposites.This article serves as a reference and inspiration for the subsequent development of multifunctional and high?performance graphene/polyimide nanocomposites.