Structural improvemeat of optical pencil

The utility model relates to a structure improvement of a light pen, which belongs to the field of stationery articles. The structure improvement of the light pen comprises an upper penholder with a locating chamber, a lower penholder with a conductive tube body and a connecting part, wherein one end of the locating chamber is provided with a press switch which is exposed to the upper penholder and contacts a battery supplying electric power, the lower penholder is provided with a pen point seat provided with a rotary piece which is used to install a conductive writing-core, the other end of the pen point seat is provided with a luminous body, one end of the lower penholder is provided with a pen point, the connection part is arranged between the upper penholder and the lower penholder, the middle of the connecting part is provided with a circuit board which respectively contacts the battery and the writing-core, and the connecting part is provided with an electric conductor. The utility model is characterized in that the utility model can provide enough white light for writers writing in dark. The utility model has a wide application prospect in the working places of writing in dark.