The invention provides a ground wire safety bracing frame, and relates to an auxiliary tool for installation and construction of a ground wire. As time difference exists during the period from accomplishment of electricity testing to mounting of a ground wire and inverse power delivery may occur in the wire during the period, the personal safety is threatened. The ground wire safety bracing frame includes an insulation diagonal rod and an insulation horizontal rod which is used for hanging a ground wire, wherein two ends of the insulation diagonal rod are respectively a connection end and a hanging end; two ends of the insulation horizontal rod are respectively a connection end and a holding end; the two connection ends of the insulation diagonal rod and the insulation horizontal rod are connected through a connecting piece; the insulation diagonal rod or the insulation horizontal rod can rotate around a connecting shaft of the connection end; the hanging end of the insulation diagonal rod is provided with a hanging device which is hung on an electric pole bracing diagonal rod; the holding end of the insulation horizontal rod is provided with a holding device which is used for holding an electric pole tightly; the hanging end of the insulation diagonal rod and the holding end of the insulation horizontal rod are connected through a rope; and after connection, the opening shape of the insulation diagonal rod, the insulation horizontal rod and the rope is like a triangle structure. The technical scheme of the ground wire safety bracing frame improves the safety for construction.