The utility model belongs to the technical field of household life, and particularly relates to a combined wardrobe with a ventilation structure, which comprises a wardrobe body, a ventilation slot arranged on the surface of one side of the wardrobe body, a baffle abutted against the surface of the ventilation slot, a dustproof gauze fixedly connected with the bottom of the baffle, a slot arranged at the longitudinal end of the inner wall of the wardrobe body, and a movable frame inserted on the surface of the slot. The movable frame transversely penetrates through and is connected to the longitudinal end of the cabinet body in a sliding mode, a sliding groove is formed in the lower end of the outer wall of the cabinet body, the sliding groove in the outer wall of the cabinet body is connected with a supporting plate in a sliding mode, and the other side of the supporting plate is connected to the lower end of the longitudinal section of the movable frame in a sliding mode. The baffle and the dustproof gauze slide in the groove in one side of the cabinet body, so that the ventilation groove is shielded, the dustproof gauze is adjusted according to requirements to shield the ventilation groove, and the purpose of ventilation in the cabinet body is achieved.