Embodiments of the present disclosure provide a wall-mounted washing machine capable of preventing a housing from being deformed and discolored by hot air of a drying device. The washing machine, including: a tub; a drying device including: a fan configured to blow air; a hot air supply duct coupled to the fan and configured to guide air blown from the fan into the tub; a drying heater disposed inside the hot air supply duct and configured to heat air of the hot air supply duct; and a hot air discharge duct coupled to the tub and configured to guide air passing through the tub to the fan to dehumidify air passing through the tub, wherein the hot air supply duct comprises a heat dissipation plate disposed on an outer surface of the hot air supply duct and configured to restrict heat from being transferred to a housing.
