A washstand furniture includes a wash bowl, a water supply assembly that supplies water to the wash bowl, a drainage assembly that drains the water, and a cabinet. An inner cabinet is provided under the wash bowl. An outer cabinet covers an outside of the inner cabinet. A dryer discharges air heated by a heater into the space defined in the cabinet. A first module is provided in the space defined in the inner cabinet, and an interior of the first module is dried using the air discharged from the dryer. A second module is provided in the space defined in the inner cabinet, and an interior of the second module is dried using air discharged from the first module. An external connection channel is defined between the inner cabinet and the outer cabinet to guide the air discharged from the first module to the second module.