Fork bone is also known as the temporomandibular joint area, one side of the temporomandibular joint pain is difficult to open the mouth may be muscle, joint pain, corresponding to can take drugs or physical therapy, surgery. 1. Muscle area pain. Temporomandibular joint area of the masticatory muscles pain hyper, spasm can cause pain in opening the mouth, generally can be the first localized hot and humid compresses, cold compresses, physiotherapy, taking diclofenac sodium tablets or lidocaine closure treatment. 2. Joint pain. When the temporomandibular joint has functional disorder, it will appear as mouth opening popping pain, pressing pain, treatment can be used to set the bite plate or joint cavity injection of lidocaine, hyaluronic acid, to reduce the friction of the joint. When there is inflammatory disease in the joint area, oral meloxicam or physical therapy at the same time, local injection of hormonal drugs such as prednisolone, and in severe cases, joint disc surgery. Pain in the area of the temporomandibular joint is recommended to seek medical examination as soon as possible, and after removing external irritants, medication or other treatment as prescribed by the doctor.