Auxiliary tray for mouth rehabilitation

The auxiliary tray comprises an auxiliary tray body, an upper oral cavity support and a lower oral cavity supporting frame, a storage box is movably installed in the auxiliary tray body, a sliding rod is movably installed on the upper surface of the auxiliary tray body, a fixing support is fixedly installed at the top end of the sliding rod, and a limiting rod is movably installed on the rear side of the sliding rod. The upper oral cavity support and the lower oral cavity supporting frame are movably installed in an up-down symmetrical mode, and limiting bolts are movably installed on the left sides and the right sides of the upper oral cavity support and the lower oral cavity supporting frame. Medical staff can be better assisted in reasonably storing medical instruments, oral cavity supports and the like through the movably-installed storage box, the upper oral cavity support and the lower oral cavity support in the mouth of a patient can be expanded and kept fixed by rotating limiting bolts on the two side