The utility model discloses a forearm fracture is fixed holds in palm and layer board thereof relates to medical instrument technical field, and the forearm fracture is fixed holds in the palm including the bandage, hangs area and layer board, be provided with on the layer board to hang and take mounting hole and bandage mounting hole, hang the area wear the dress hang take the mounting hole on, the bandage has two at least, they are adorned respectively to be located at the layer board and string take the bandage mounting hole of mounting hole both sides. Hang and take the mounting hole to be two rectangle slot holes side by side, hang the area and wear the dress in this slot hole, the bandage mounting hole is oval short hole, and bandage one end is passed or is on this ellipse weak point hole, be provided with on the bandage and paste, hang the area and hang the area for the triangle. The utility model discloses can solve between layer board and the bandage and to slide each other easily, it is not hard up to make the layer board take place, often need wrap fixedly again, and easy giving is suffered from the vice injury of limb girdle and whole and is wrapped not pleasing to the eye problem.