Automatic pen with lighting function

The utility model discloses an automatic pen with a lighting function. The automatic pen with the lighting function comprises an automatic pen, a light sensor, an LED (light-emitting diode) lamp, a battery container, an LED movable strut, a movable button, a battery container cover plate and a strut embedded slot, wherein the light sensor is arranged above the automatic pen, one side surface of the automatic pen is provided with the strut embedded slot, the movable strut is contained in the strut embedded slot, the LED lamp is arranged at one end of the movable strut, the other end of the movable strut is fixed on the automatic pen through the movable button, the other side surface of the automatic pen is provided with the battery container, and the battery container cover plate is arranged outside the battery container. The automatic pen with the lighting function is novel in structure, not only saves energy, but also protects eyes. By adopting the automatic pen with the lighting function, when the luminosit