Upper jaw and lower jaw generally refers to the upper jaw and lower jaw, when the mouth is open wide maxillary mandibular joints on the side of the pain may occur temporomandibular joint disorders, usually chewing muscle disorders, inflammatory diseases and other causes of targeted treatment, such as local closure, physiotherapy, oral analgesics and so on. 1. Masticatory muscle disorder: physical therapy can be used for extrapterygoid muscle spasm, and 2% lidocaine 2~3ml can be used for extrapterygoid muscle closure if necessary. 2. Inflammatory diseases: non-steroidal anti-inflammatory analgesic drugs can be taken, such as diclofenac sodium, meloxicam, etc., and at the same time, physiotherapy can be used, but also the use of joint closure treatment, the use of prednisolone suspension added to 2% Lidocaine injected in the upper joint cavity. All of the above drugs should be used under the guidance of a doctor, and it is recommended to go to the hospital in time to receive early treatment.