The invention relates to the technical field of power maintenance equipment, and provides an insulating rod. The insulating rod comprises at least two rod bodies connected together, and a connecting structure is arranged at each joint of the rod bodies. Each connecting structure comprises a connecting head arranged at the end of one rod body and a connecting base arranged at the end of another rod body, and the connecting head is inserted into the connecting base, wherein the connecting head is provided with a buckle, and the connecting base is provided with a buckle hole for fixing the buckle in a position corresponding to the buckle. The insulating rod of the invention can be quickly and correctly assembled and disassembled in brake operation, so that the efficiency of brake operation is improved, the time for brake operation is reduced significantly, and the labor intensity of workers is reduced effectively. Moreover, the insulating rod is simple in structure, firm in connection and convenient and quick in operation, and can effectively improve the work efficiency.