This paper analyzed and improved pulley hanging method for domestic 900 mm2 conductors with six-split, which adopted the mode of ‘3-tractor with 1-guiding 2-wire’. The three rounds specially developed on cable pulley hanging rack could make the arrangement and suspension method of pulleys with every towers’ pole hanging 3 three-wheel lines. The synchronous installation and hanging of insulators and pulley could simplify installation steps, improve the construction efficiency of tension stringing, and ensure the good mechanical property of towers, which could provide a convenient for the subsequent tight lines’ construction and accessories’ installation operations.