The present disclosure provides a positioning frame for mounting a display module and a display panel. The positioning frame includes: a plurality of side plates enclosing an accommodation zone for receiving the display module; a support bed provided on at least a pair of side plates arranged opposite to each other, and connected perpendicularly with the side plates, for supporting the display panel of the display module; baffles corresponding to the support beds one by one, the baffles are provided at the display side of the display panel, perpendicularly connected with the side plate and arranged to be parallel with the support bed, for limiting the display panel in the normal direction; limiting holes provided in the baffle and support bed at least at one side; limiting element being plugged in the limiting hole for limiting the display in peripheral directions. The positioning frame enables effective assembling the display module.