The causes of jaw pain may include trauma, inflammation of the temporomandibular joint, etc., as follows: first, trauma: if the patient is stimulated by trauma, the local soft tissues and bones may all produce swelling and painful reactions; second, temporomandibular arthritis: the temporomandibular joint is more prone to problems, the main reason is that every time you speak as well as when you eat, you will use this joint, so the more you use it, the more The most prone to problems, mainly manifested as when opening the mouth, the joint area will appear obvious pain, this situation will need to go to the hospital for professional consultation and treatment, generally need to carry out local pain relief treatment; third, other: local inflammatory reaction, resulting in sebaceous cysts have become infected, will also cause local pain. Therefore, if it is difficult for patients to determine what causes the pain, it is recommended that they go to the hospital for a face-to-face consultation with a doctor.