Disclosed herein is a foldable emergency road sign which includes a bar-shaped handle, a hollow shaft connected to the bar-shaped handle, a spring pipe, the spring pipe having a hole through which the hollow shaft is inserted, a plurality of bodies connected to the spring pipe, wherein the plurality of bodies can be folded or unfolded to have a triangular pyramid shape or a quadrangular pyramid shape, and a light emitting unit attached at regular intervals to one side of the plurality of bodies.