The invention provides a combined multifunctional stationery storage box. The storage box comprises an upper small stationery storage box and a lower pen container, wherein the upper and lower layersare detachably combined and connected, and the small stationery storage box is provided with a closing cover; the pen container is cylindrical with closed lower end, and the storage box is cylindricalwith outer diameter equal to the outer diameter of the pen container. The storage box can be combined or placed separately, can be placed flexibly, saves space, and has dual functions of a stationerybox and the pen container simultaneously.