Washstand furniture includes: a wash device including a wash bowl, a water supply assembly for supplying water to the wash bowl, and a drainage assembly for draining the water supplied to the wash bowl; an inner cabinet provided under the wash bowl, the inner cabinet having a space defined therein; an outer cabinet for covering the outside of the inner cabinet; and a residual-water-suction-device-drying module provided inside the inner cabinet, the residual-water-suction-device-drying module including a plurality of receiving units for receiving and drying separate components of a residual water suction device for suctioning liquid, wherein an external connection channel communicating with the outside is defined between the inner cabinet and the outer cabinet, and the residual-water-suction-device-drying module further includes a plurality of fans for moving air that flows in the external connection channel to the receiving units of the residual-water-suction-device-drying module.