The utility model discloses a single-hook insulating yoke plate, which comprises a yoke plate main body and is characterized in that: one end of the yoke plate main body is provided with a hook; an opening slot is formed on the hook; the opening slot is movably clamped and connected with a cross arm angle iron at far side; the other end of the yoke plate main body is provided with a chaining head; a jumper fixing hook is movably sheathed on the chaining head; one end of the jumper fixing hook moves in the chaining head, and the other end of the jumper fixing object is connected with a strain clamp; a fixing clamp is arranged in the middle of the yoke plate main body; and the fixing clamp is movably clamped and connected on a cross arm. The single-hook insulating yoke plate has simple structure and is convenient to carry and use, so that the safety distance between an operator and an electrified body and the safety of the operator are ensured, and the jumper is effectively controlled, and the working efficiency is greatly improved.