Marking device for decoration design

The utility model discloses a lineation device for decoration design, which comprises a winding reel and an ink box, a line snapping mechanism is arranged at the front part of the winding reel, a positioning mechanism is arranged between the ink box and the winding reel, the line snapping mechanism comprises a line snapping box, the line snapping box is fixedly arranged at the front part of the ink box, and the positioning mechanism is arranged between the ink box and the winding reel. A guide rod is movably installed in the line snapping box in a penetrating mode, a pull block is fixedly installed at the top end of the guide rod, a first spring is installed on the periphery of the guide rod, a guide block is installed at the bottom of the guide rod and connected with the periphery of a line body in a sleeving mode, and a lifting groove is formed in the position, close to the bottom end, of the front portion of the line snapping box in a penetrating mode. A first limiting groove is formed in the rear part of