The invention provides a multifunctional household cabinet. The cabinet comprises a cabinet body, a clothes drying cavity, an air conditioner assembly and a washing assembly are at least integrated in the cabinet body, an air inlet and an air outlet are formed in the wall of the cabinet body, the air inlet is in fluid communication with the air conditioner cavity, the air outlet is in fluid communication with the clothes drying cavity, and a communicating and ventilating opening is formed between the clothes drying cavity and the air conditioner cavity; a first air duct for airing clothes is defined between the ventilation opening and the air outlet of the clothes drying cavity; the air conditioner cavity defines a second air duct between the air inlet and the communicating and ventilating opening, and the air conditioner assembly is configured to drive airflow to enter the second air duct from the air inlet and then to be discharged to the clothes drying cavity from the communicating and ventilating opening; and the washing assembly is arranged below the clothes drying cavity, and a clothes taking and placing opening which is communicated with the washing assembly and can be opened and closed is formed in the bottom of the clothes drying cavity. By means of the cabinet body, occupied space can be saved, and resource waste is remarkably reduced.