According to the embodiment, a sanitary washing device, comprises a private part wash nozzle, a drive device, a casing, and an illuminator； the private part wash nozzle is tilted downward toward a front side and has a water discharge hole discharging washing water toward a private part of a user； the drive device causes the private part wash nozzle to advance and retract； the casing includes a nozzle container that can store an entirety of the private part wash nozzle in a state in which the private part wash nozzle is retracted； the illuminator irradiates sterilizing light which is light having a sterilizing action； and the illuminator irradiates the sterilizing light on at least a front surface of the private part wash nozzle and a part of a bottom surface part of the nozzle container positioned below the front surface.
