The present invention discloses a multi-functioned image projecting pen, the front end of the jointing tube is connected dismountable to the rear end of pen shaft; the battery, button and luminotron constituting the circuit are mounted into the front end of jointing tube in this order. The button is mounted on the sidewall of jointing tube; the mounting bobbin is mounted movable to the rear end of jointing tube, the diaphragm is set between lighter and mounting bobbin; a moving sleeve is slip connected onto the mounting bobbin protruding out the jointing tube, the projecting lens is fixed at the top of moving sleeve. The moving sleeve is movable on the mounting bobbin according to the invention, the projected image is emerged or removed along the moving in or moving out of the moving sleeve, this makes the product functions as the pen, projecting and flashlight.