Temporomandibular arthritis is a type of temporomandibular joint disorder that is self-healing in some patients. TMJ disorders have many causes. Once TMJ disorder occurs, do not be nervous, as emotions can often affect and aggravate the symptoms of the disorder, and you should relax. TMJ disorders are very common in clinical practice, and the main causes include psychological factors, occlusal factors, poor dietary habits, trauma and infection. The treatment of TMJ disorder is usually conservative first, and then invasive treatment is considered if conservative treatment is ineffective. Patients should first not always focus on the symptoms of the joint area and always do the movement of opening the mouth wide, which is very detrimental to the joint recovery. It is important to correct the lateral chewing and try to eat less of anything too hard in general. Physical therapy in the joint area can be very good to relieve the painful ringing in the joint area. Or apply heat to the joint area, which will also help TMJ recovery. TMJ disorders that are caused by psychological factors can be self-healing if the effects of these psychological factors are removed.