The invention relates to a tool for maintaining power transmission lines, and particularly relates to a special hook rod for electric power maintenance. The hook rod comprises a hook head and an insulating rod, wherein the hook head comprises claws and a hook handle; each claw comprises a circular-arc-shaped bending portion and a linear hook neck, the curvature radius of the same bending portion is identical, and the claw is fixedly connected with the hook handle through the hook neck; one end of the hook handle is fixedly connected with one end of the insulating rod; the number of the claws is 2-4, and the curvature radiuses of the bending portions of any two of the claws are different. The special hook rod provided by the invention has the beneficial effects that the hook rod is provided with 2-4 claws which are different in size, thereby being capable of adapting to branches with different sizes, good in hooking and pulling effect, and convenient to use.