The utility model relates to an automatic rope arranging steel rope drawing and threading device for petroleum drilling. An output shaft of an air motor drives a steel rope winding drum and a spindle of a rope drawing and winding mechanism through a speed reduction device, rope arranging devices are arranged at the positions of the steel rope winding drum and the rope drawing and winding mechanism respectively, the rope arranging device comprises two double-key sliding rod shafts parallel to each other, the axis of the double-key sliding rod shafts is parallel to a rope winding spindle and the axis of a rope coiling spindle, the two double-key sliding rod shafts are sleeved with rope arranging double-key rollers respectively, rope grooves are formed in the peripheries of the rope arranging double-key rollers respectively, the rope arranging double-key rollers can rotate around the axis of themselves and can axially slide along the double-key sliding rod shafts where the rope arranging double-key rollers are located, the two ends of the double-key sliding rod shafts are respectively supported on lug plates, the centers of the outer end faces of the two lug plates are respectively connected with lug plate shafts, the outer ends of the two lug plate shafts are respectively hinged to rocker arms, the other ends of the rocker arms are hinged to rocker arm seats through locking pins, and the rocker arm seats are respectively fixed on corresponding roller supports or rope winding supports. The automatic rope arranging steel rope drawing and threading device for petroleum drilling can conveniently, fast and automatically arrange the rope in the process of winding the steel rope.