According to an embodiment of the invention, there is provided a partial dismantling device of a photovoltaic module, including: a worktable on which the photovoltaic module is loaded and which has a first transport unit that transports the loaded photovoltaic module; a first cutting unit, having a plurality of first cutters spaced apart from each other, that cuts a part of the photovoltaic module through a relative movement with respect to the photovoltaic module loaded on the worktable; and a second cutting unit, having a plurality of second cutters spaced apart from each other, that is disposed at the rear of the first cutting unit and cuts other parts of the photovoltaic module transported rearward without being cut by the first cutting unit.