Abstract: Disclosed is a sliding panel structure of a multifunctional paper shredder, the paper shredder includes a housing having an interior space, an installing section at the top, an accommodating space at the bottom, and a feeding slot under the installing section. A pair of rolling blade wheels are disposed under the feeding slot which has a pressing wall surface extended vertically downward and aligned with the middle of the rolling blade wheels. An accommodating section is defined at the top of the housing, and a positioning section having at least one sliding groove is disposed at an inner side of the accommodating section. A sliding panel, having a plurality of slots is slidably installed in the accommodating section, having a positioning pin disposed in the positioning section correspondingly, and at least one slide pin embedded into the sliding groove for guiding the movement of the sliding panel.