Magnetic red light pen easy to place

The magnetic red light pen easy to place comprises a pen holder, the tail end of the pen holder is axially connected with a guide magnetic rod in a sliding mode, the free end of the guide magnetic rod is connected with at least three first connecting rods which are evenly distributed in the circumferential direction in a hinged mode, and the free ends of the first connecting rods are connected with second connecting rods in a hinged mode. According to the pen, the guide magnetic rod is arranged at the bottom of the pen holder, the guide magnetic rod is hinged to the wall of the pen holder through the first connecting rod and the second connecting rod, and when the guide magnetic rod is controlled to slide into the pen holder, the hinge points between the first connecting rod and the second connecting rod form supporting points, and the number of the supporting points is at least three. The three supporting points can improve the stability of vertical placement of the pen holder, the red light pen does not occ