The invention discloses an intraoral maxillary clasp type occlusal pad reverse headgear appliance for orthodontics of skeletal crossbite. The reverse headgear appliance has a structure as a palatal side base plate that covers all upper teeth; a back tooth occlusal pad and an incisor teeth cap are symmetrically arranged on the palatal side base plate; a permanent molar arrow clasp, a premolar arrow clasp, a front towing hook and a maxillary central incisor long arrow clasp are symmetrically embedded in the palatal side base plate, or a primary molar long arrow clasp, a front towing hook and a maxillary central incisor long arrow clasp are symmetrically embedded in the palatal side base plate, or a back tooth embrasure hook and a maxillary central incisor long arrow clasp are symmetrically embedded in the palatal side base plate. The front towing hook is located at the lip side and between a lateral incisor teeth and a canine tooth at a distance being 3-5 mm from a sulcus vestibularis, wherein an opening being inclined relative to an occlusal plane upwardly and backwardly at 45 degrees is formed in the front towing hook, and the front towing hook is bent outwardly in a U-shaped structure. The reverse headgear appliance has excellent fixation, is smart and comfort, allows people to speak and eat, reduces orthodontic time and is increased in adaptation disease, increases clinical curative rate and has excellent economic and social benefit.