An ink-jet recording device including: an irradiating unit that irradiates an ultraviolet ray, an ink-jet head that ejects an ink toward a recording medium, the ink capable of curing by the ultraviolet ray irradiated from the irradiating unit, a conveying unit that conveys the recording medium to a position opposed to the ink-jet head, and a filter unit including a photocatalyst activated by the ultraviolet ray.