The invention provides a pouring method for changing the shape of a rope coupling. The method includes the steps of binding bulk steel wires at one end of a steel wire rope, making the end of the steel wire rope where the bulk steel wires are bound penetrate into the rope coupling so that the end of the steel wire rope can be flush with a cylinder opening of the rope coupling, pouring resin in therope coupling, making the root part of the rope coupling exposed out of the bulk steel wires so that the shape of a steel wire cage can be formed, arranging a die outside the joint of the rope coupling and the steel wire rope, and pouring resin in the die so that the steel wire cage can be fixedly connected with the rope coupling. By means of the method, no rope coupling head needs to be specially customized; by means of the steel wire cage, the strength of a poured structure is ensured, and thus cost is saved.