Temporomandibular joint disorder (TMD) is a general term for a group of diseases. Clinically, it often presents as pain in the temporomandibular joint and surrounding muscles and soft tissues, often involving the temporomandibular joint, chewing muscles, and anterior joint area. There are also abnormalities in jaw movement, function, joint sounds, crushing sounds, and murmurs. This article provides a review of the epidemiology, etiology, clinical characteristics, auxiliary examinations, rehabilitation assessment, and rehabilitation treatment of TMD, in order to improve understanding of TMD rehabilitation assessment and provide reference for clinical rehabilitation treatment of TMD.