A lifting pin type dual-purpose pen for writing and counting is formed by transforming a lifting pin type telescopic ball-point pen. The lifting pin type dual-purpose pen for writing and counting is characterized in that the dual-purpose pen is provided with a lifting pin type telescopic mechanism of the existing lifting pin type telescopic ball-point pen; the mechanism is composed of a rotating wheel A, a rotating wheel B, a vertical guide rail and a spring and is further provided with a pen cap; a counter is arranged at the rear end in the pen cap; a counting button of the counter is hidden in the pen cap; a resetting button is exposed out of the tail end of the pen cap; the pen cap is provided with a window displaying counting changes of a digital display screen of the counter; a pen clip which is originally located on a pen holder is moved to the pen cap; and the inner wall of the pen cap and the tail end of the pen holder are provided with a fastening structure, such as threads or a buckle, through which the counter is accurately fixed to a certain position of the pen holder, and therefore the counting button of the counter makes contact with a top button of the pen holder, and when a user clicks the counting position through a pen point, the pressing and pop-out actions can be smoothly completed. By means of the pen, free switching between the normal writing function and the counting function can be achieved, the two functions do not affect each other, operation is easy, and the pen has wide using value in various fields where counting is needed.