Thin-frame alloy door

The utility model relates to a thin frame alloy door which comprises a door body arranged on a channel between rooms in a pushing mode, a displacement assembly comprising sliding rail parts and sliding parts, the sliding rail parts are symmetrically arranged on the door body and can move along the door body to be away from each other or close to each other to be spliced, and the sliding parts are arranged between the door body and the sliding rail parts. The sliding rail parts are symmetrically arranged on the door body, one ends of the end sealing pieces abut against the sliding rail parts, the door body and the sliding rail parts are combined, the sliding rail parts, in sliding connection with a matched door frame, on the door body are combined in a split mode, and when the door body shakes during movement, the end sealing pieces on the door body are detached, the sliding rail parts are pulled out from the side edge, and meanwhile the sliding rail parts are separated; the sliding part descends, a new slidin