The utility model relates to a construction cable strorage device refers in particular to a simple and easy cable - line device, including the dolly, fixedly on the dolly be equipped with the dolly handle, around wire coil support and fixed pulley support, go up to correspond around wire coil support and be equipped with the wire reel, fixed pulley support is equipped with the fixed pulley the last correspondence, and around wire coil support and fixed pulley support parallel arrangement, the wire reel corresponds the setting with the fixed pulley, winds and is equipped with spacing hole on the wire coil support. The utility model discloses a fixed pulley is being add around the wire coil support before to such structure setting, effectively makes the cable play the cushioning effect to the cable at the unwrapping wire in -process, and is more laborsaving when the pulling cable, reduces the drawing to the cable, has improved the life of cable, has improved work efficiency, simultaneously through spacing hole, can prevent that the external force maloperation from making the cable drop from the wire reel, causes to misplace the line, reduce the work progress in unnecessary troublesome.