The utility model discloses a cut-off power transmission steel pipe rod of a double-loop unilateral loop cable manner, and relates to the technical field of high pressure power transmission circuits. The cut-off power transmission steel pipe rod comprises a tower body, a ground wire support, an upper wire cross arm, a middle wire cross arm, a lower wire cross arm, a T connecting upper cross arm, a T connecting middle cross arm, a T connecting lower cross arm, a T connecting bottom cross arm and a T connecting ground wire cross arm, wherein the T connecting upper cross arm, the T connecting middle cross arm, the T connecting lower cross arm, the T connecting bottom cross arm and the T connecting ground wire cross arm are perpendicular to a circuit direction; the T connecting upper cross arm, the T connecting middle cross arm and the T connecting lower cross arm are respectively positioned above the upper wire cross arm, the middle wire cross arm and the lower wire cross arm, and the T connecting bottom cross arm is positioned below the lower wire cross arm; each suspension point of the ground wire support, the upper wire cross arm, the middle wire cross arm and the lower wire cross arm is provided with two strain insulator strings. The cut-off power transmission steel pipe rod disclosed by the utility model has the advantages that the position of a new rod tower is arranged on the center line of an original circuit, an urban road green belt is not occupied, and the new two-base cable terminal rod is also not required.