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; a cabinet provided under the wash bowl, the cabinet having a space defined therein; and a residual-water-suction-device-drying module provided inside the cabinet for receiving and drying separate components of a residual water suction device for suctioning liquid.