The invention discloses a clothes processing device. The device comprises a box body assembly, an outer tub and an inner tub, wherein an accommodation cavity is defined in the box body assembly, the outer tub is arranged in the accommodation cavity, and the inner tub is arranged in the outer tub and can be rotated relative to the outer tub; the outer tub comprises an outer tub body and an outer tub end cover, a cavity with an opened end is defined in the outer tub body, the outer tub end cover is arranged at the opening of the outer tub body, the outer tub is provided with a gas storage component, a gas cavity which is communicated with an inner cavity of the outer tub is defined by the gas storage component, and the gas storage component and the outer tub end cover are integrally shaped.The clothe processing device has the advantages that the gas storage component and the outer tub end cover are integrally shaped, the connecting member of the gas storage component and the outer tub end cover can be eliminated to reduce the number of the component, the connecting reliability of the gas storage component and the outer tub end cover can be ensured, and the sealing performance between the gas storage component and the outer tub end cover can be ensured.