The utility model discloses an insulating middle street code. Including a base, wherein a middle street code main body matched with the base is fixedly mounted on the base through a base bolt; a plurality of insulators are arranged on the middle street code main body through fixing devices; a threading groove for a wire to pass through is reserved between the middle street code main body and the insulator; according to the utility model, the middle street code adopts the insulating pressing sheets to fix the wires, the operation is simple and convenient, the working efficiency is high, the force for fixing the wires by the method is large, and the wires are not easy to loosen after being used for a long time; a traditional mode of winding and binding a wire by a binding wire is replaced, and the wire sheath is not easy to damage and is stable and not easy to fall off; and wire binding does not need to be carried out in a small space, so that hands of a worker are prevented from being injured, and the operation safety is improved.