Overhead conductor safety warning sign hanging tool

The invention discloses an overhead conductor safety warning sign hanging tool, which comprises an insulated operation rod, a bracket fixed at the upper end of the insulated operation rod and a clamping device arranged on the bracket, wherein the bracket comprises a bracket body and two shift rods connected with the bracket body; the head part of each shift rod is bent downwardly to form a bent part; the clamping device comprises a fixing sheet and a spring clip arranged on the fixing sheet; the spring clip clamps the two bent parts to enable the clip mouth to be opened; and the lower end of the fixing sheet is provided with a fixing part for fixing the safety warning sign. The safety warning sign can be mounted quickly and high efficiently, and the mounting cost can be reduced.