The utility model relates to a high-efficiency power distribution network frame for power distribution network planning, which comprises a power distribution pillar and a positioning frame structure, and is technically characterized in that the positioning frame structure consists of a left positioning unit and a right positioning unit which are symmetrically arranged; each positioning unit comprises a positioning hoop, a radial supporting arm, a threading box, a front lower roll shaft, a middle upper roll shaft and a rear lower roll shaft, the front lower roll shaft, the middle upper roll shaft and the rear lower roll shaft are arranged in the threading box, the middle upper roll shaft is fixed in the middle of the threading box and provided with a middle upper sliding sleeve, and front longitudinal adjusting grooves corresponding to the front lower roll shaft are formed in the front portions of the left side wall and the right side wall of the threading box respectively; the rear portions of the left side wall and the right side wall of the threading box are respectively provided with a rear longitudinal adjusting groove corresponding to the rear lower roller shaft, a front longitudinal elastic supporting body is arranged between the front lower roller shaft and the top face of the threading box, a rear longitudinal elastic supporting body is arranged between the rear lower roller shaft and the top face of the threading box, and the front lower roller shaft and the rear lower roller shaft are sleeved with a front lower sliding sleeve and a rear lower sliding sleeve. According to the net rack, the activity allowance of the cables is further increased, the installation is convenient, the anti-pulling capability is further improved, and the service life is prolonged.