Voltage application device (1) includes voltage application circuit (2). Voltage application circuit (2) applies a voltage to load (4) including discharge electrode (41) that holds liquid (50), voltage application circuit (2) generating discharge in discharge electrode (41). During a drive period, voltage application circuit (2) periodically changes a magnitude of the voltage applied to load (4) at a drive frequency within a predetermined range including a resonance frequency of liquid (50), voltage application circuit (2) mechanically vibrating liquid (50).
