Provided is a electroconductive resin body formed of fiber-reinforced resin including resin and a plurality of fiber strings formed of at least one selected from carbon fiber, high-strength fiber and glass fiber, the resin impregnating between the fiber strings, wherein the fiber strings are metal-plated. In the vehicle grounding structure, while the electroconductive resin body is used as a vehicle body, the minus terminals of vehicle-mounted devices VD and of a vehicle battery B are electrically connected to locations in the electroconductive resin body that have the metal-plated fiber strings arranged therein.
