To provide a low-cost medical/care supporter preventing habitual jaw dislocation, easily detachable/attachable, giving neither pain nor discomfort in wearing, and allowing a wearer to easily move the mouth and the head.

This supporter is characterized in comprising a belt-shaped cloth cut and sewn to exactly fit along the face and a belt-shaped cloth supporting from the rear head part, disposing and fixing hook-and-loop fasteners in a plurality of parts in each of them so as to be freely adjusted and fitted to any sized face surface and head part, facilitating the operation of the attachment/detachment and preventing the jaw dislocation while securing the ordinary opening/closing of the mouth.