Temporomandibular joint pain for almost a year, consider traumatic factors, occlusal factors and rheumatoid arthritis and other causes, can be corrected by unilateral chewing and other bad habits, the use of ibuprofen and other drugs for treatment. 1. Traumatic factors: such as opening the mouth too wide, biting hard objects, unilateral chewing, often chewing beef jerky and other hard foods, can cause temporomandibular joint pain. We should pay attention to avoid eating beef jerky, nuts and other hard food in daily life, and change the bad habits such as unilateral chewing and excessive opening of the mouth. 2. Occlusal factors: such as too many missing teeth, low intermaxillary distance, occlusal interference, etc. can cause occlusal disorders and destabilize the joints. Reversible occlusal treatment such as occlusal pads and irreversible occlusal treatment such as orthodontic treatment and fixed prosthetic treatment can be used to improve joint pain and other symptoms. 3. Rheumatoid arthritis: not only can it invade the wrist, palm, fingers and other parts of the hand, it can also invade the temporomandibular joints, causing pain, swelling and even deformity of the joints. You can take non-steroidal anti-inflammatory drugs such as ibuprofen and anti-rheumatic drugs such as leflunomide, methotrexate, hydroxychloroquine, etc., to relieve the symptoms of joint pain and swelling. TMJ pain for almost a year, it is recommended to consult a doctor for a clear diagnosis and targeted treatment. In addition, all of the above drugs should be taken under the guidance of a doctor and should not be used without authorization.