Consider that there may be the following factors: 1. Whether there is a recent history of collision and other traumatic injuries, which can damage the zygomatic bone and cause pain, usually accompanied by localized bruising, which can be relieved after resting, and if the pain is prolonged, consider whether there is a slight fracture, and suggest that you go to the hospital in time to take an X-ray, and then take positive treatments after confirming the diagnosis. 2. Consider that it is related to the disorder of temporomandibular joints, which is related to the daily excessive mastication and makes the joints friction, synovial fluid and the formation of a kind of chronic strain. The chronic strain injury can be reduced by changing lifestyle habits and eating more soft food to relieve the pain.