After 4-6 weeks of stable fixation, the fracture can usually achieve complete bone healing and basically restore the occlusal relationship before injury. The reduction of jaw fracture should be based on restoring its original occlusal relationship; The teeth on the fracture line should be kept as much as possible, but if the teeth are loose, broken, severely decayed or have periodontitis, they should be removed; For children and adolescents with jaw fracture, attention should be paid to avoid damaging the permanent tooth germ during reduction and fixation; When performing incision reduction and fixation, it is necessary to avoid damaging facial nerve branches, roots, inferior alveolar nerves and vascular bundles; Appropriate antibiotics should be given to maintain oral hygiene and prevent infection.