the present invention provides a vacuum fluorescent display driving apparatus and a vacuum fluorescent display driving method that may prevent generation of excessive load on power lines employed in driving , without causing an increase in size of the apparatus . the vacuum fluorescent display driving apparatus of the present invention includes , a grid driver that applies a driving voltage to plural grid electrodes respectively provided in the vacuum fluorescent display , and a grid driver limiting section that performs limitation on the number of grid electrodes to which voltage is applied simultaneously by the grid driver , to less than a predetermined first threshold value .