The invention relates to the technical field of button processing, in particular to a fixing device used for button drilling. The fixing device used for button drilling comprises a case, and further comprises a drilling part arranged on the upper part of the case in a penetrating mode, a discharge frame blocked in the case, an operating frame, a regulating window blocked onto the side wall of oneside of the case, a charge barrel, a control cabinet and a position sensor blocked on the operating frame, wherein the drilling part comprises a cylindrical lifting barrel, a first blocking part, an outer fixed frame, a first lifting rod, a lower fixed plate, an upper fixed plate, a slide guide rod, a motor and a tool which is arranged in the lower fixed plate in a penetrating mode and is rotatably connected to the lower end of the motor. The fixing device used for button drilling disclosed by the invention can be used for performing batch drilling, and the processing barrel can be used for regulating positions of buttons, so that processing quality is guaranteed.