The temporomandibular joint is a joint that moves in front of the ear, in front of the ear screen, as you open your mouth or chew. The flexible movement of the temporomandibular joint allows the lower and upper jaws to open and close flexibly to achieve the action of opening the mouth and chewing. It may cause a popping sound when opening the mouth to chew, or inflexibility, or even swelling and pain when the inflammation is strong. To go to the stomatology department to treat the problem of bite relationship, when inflammation should avoid biting hard things with the affected side, you can use hot compresses, physical therapy and other methods, the inflammation is strong also need to take oral anti-inflammatory drugs.