The invention relates to a substation model interaction and management device which is technically characterized in that the device comprises a shell and a control circuit inside the shell; the control circuit comprises a substation communication module, a control center communication module, a central processor module, a data layer merging module and a storage module; the central processor module is connected with substations and a control center through the substation communication module and the control center communication module respectively; the output end of the central processor module is connected with the data layer merging module; and the central processor module is further connected with the storage module and connected with the data layer merging module through the storage module. Power system substation model data source-side maintenance and model data automation are combined in order to improve the efficiency of substation model data modeling and maintenance in substation construction, reduce labor cost and optimize the model data management process.