Door body assembly of household appliance and household appliance

The door body assembly is used for opening or closing a containing cavity of the household appliance, the door body assembly comprises a door plate and a door cover installed on the side, facing the containing cavity, of the door plate, the door plate comprises a decoration panel and a wood plate arranged on the inner side face of the decoration panel, and the wood plate is connected with the door cover. The wood board is provided with at least one hollow hole used for reducing weight. According to the door body assembly, the appearance of the door plate can be improved through the decoration panel, the service life of the wood plate can be prolonged, the weight of the wood plate can be reduced, and the door plate can be conveniently transported and assembled. In addition, the utility model further discloses a household appliance which comprises the door body assembly and a machine body provided with a containing cavity, and the door body assembly is hinged to the machine body so as to open or close the conta