Also known as a rebound jaw, a child’s rebound jaw is due to a developmental deformity and is usually not self-correcting. Reverse jaw is usually caused by bad oral habits, systemic factors, genetic factors, trauma or oral inflammation, belongs to a kind of developmental deformity, this symptom using self-correction method, the effect is poor, can not improve the symptoms of reverse jaw, need to be early for systematic treatment in order to completely cure the reverse jaw. Parents can give their children a functional orthodontic braces for treatment, usually has a better effect on the correction of the relatively mild antomandibular. If the symptoms are more serious, it is necessary to wear fixed braces. After wearing the braces, it is important to take good care of the mouth, brush the teeth every morning and evening, and clean the teeth and the residual food on the braces. If the symptoms are serious, children should go to the hospital in time for examination and treatment.