temporomandibular disc displacement is a subcategory of temporomandibular disorders (TMD), which can cause temporomandibular joint pain, bouncing, and changes in mandibular position, which can affect oromandibular muscles and occlusion, and then lead to oromandibular system disorders, affecting the patient's oral function, and even affecting the whole body. Due to the uncertainty of the onset, the diversity of the causes and the instability of the treatment effect of temporomandibular disc displacement in people, it has become a controversial disease for temporomandibular disc displacement under different circumstances, which need to be treated and how to treat it. However, no matter the treatment of any disease, it is necessary to follow the basic principles and laws of medical treatment, and the treatment of temporomandibular disc displacement is no exception. Therefore, when diagnosing and treating temporomandibular disc displacement, doctors must clarify the following aspects.