Misalignment of the jaw old cackling generally refers to the temporomandibular joint dislocation of the sound, it is recommended to timely visit the hospital, and its treatment methods include manipulation and surgical repositioning. 1. Manipulation: The doctor will put the misaligned joint head back to the correct position of the joint fossa through manipulation, and then immobilize the jaw immediately to limit the degree of mouth opening, and it is better not to open the mouth more than 1cm, in order to prevent recurrence of joint dislocation. 2. Surgical repositioning: when manipulative repositioning is ineffective or inapplicable, surgical repositioning can be performed to restore the dislocated joint to its normal position. Surgical methods include arthroscopic surgery, joint nodule augmentation, joint capsule tightening and joint nodule flattening. It is recommended to go to the hospital in time to avoid delaying the symptoms of TMJ dislocation with rattling sound.