An electric operating device includes an operation member for operating to activate a plurality of electric functions provided at a vehicle seat. The operation member is disposed at a position outside of the vehicle seat allowing operation by a seated person seated on the vehicle seat. The operation member is constructed to be capable of operating to pivot about an axis and operating to move to slide in a diametrical direction. Further, an operation structure for pivoting about the axis for switching a pivoting position of the operation member is configured as an electric function mode switching structure for selecting the electric function as an operational object from the plurality of electric functions. Further, a slide moving operating structure for switching a slide position in the diametrical direction of the operation member is configured as an activation control structure for operating to activate the electric function selected as the operational object.