The invention discloses a cable-rope crane full revolving traction system, and relates to the technical field of bridge construction. The cable-rope crane full revolving traction system comprises first hoisting equipment, second hoisting equipment, first revolving equipment, second revolving equipment, a connecting steering part, a tail fixing piece, a first traction rope and a second traction rope; the first hoisting equipment and the second hoisting equipment are parallelly arranged on a first bridge building ashore, the tail fixing piece is arranged on a second bridge building ashore, and the first revolving equipment, the connecting steering part and the second revolving equipment are sequentially arranged between the two bridge building ashores; the first revolving equipment, the first hoisting equipment and the second hoisting equipment are located on the same side; and the second revolving equipment and the tail fixing piece are located on the same side. According to the cable-rope crane full revolving traction system, under the premise of ensuring traction force, the problem that the space for arranging a hoisting machine is not enough due to limitation of a construction site is solved.