The advent of virtual power plants （VPPs） promotes the development of the interaction between electric vehicles （EVs） and the power grid，and plays an important role in promoting the load balance of urban power grids.By systematically reviewing the relevant literature on EVs，integrated photovoltaic storage and charging stations，and VPPs and their aggregators，this paper analyzes the vehicle-grid interactions with the introduction of VPPs，summarizes the commonly used EV load forecasting methods，and describes the siting and capacity planning model of integrated photovoltaic storage and charging stations.Further，it summarizes the game relationship among the grid layer，the VPP and its aggregator，and the user layer in the process of vehicle-grid interaction.Finally，it summarizes the existing studies，and provides an outlook on the future development of vehicle-grid interaction by combining with the case studies of the VPPs of different countries.