Maxillofacial surgery can treat: 1. pericoronitis of wisdom teeth. 2. infections in the oral and maxillofacial space, such as infraorbital space infection, buccal space infection, infratemporal space infection, occlusal space infection, sublingual space infection, pterygomaxillary space infection, submandibular space infection, etc. 3. osteomyelitis of the jaws, infections of facial lymph nodes. 4. do treatment of maxillofacial injuries, such as jaw fracture, zygomatic bone or zygomatic arch fracture, orbital fracture, zygomatic 5, Oral and maxillofacial tumors, such as oral and maxillofacial soft tissue tumors or benign tumors, including odontogenic tumors, neurogenic tumors, or choose to do malignant tumors. 6, Salivary gland diseases, including salivary gland inflammation, salivary gland injury, salivary adenoma-like lesions, also including salivary gland tumors, such as pleomorphic adenoma, Walsinoma, or choose to do mucous epidermal 7. temporomandibular joint diseases, diseases of maxillofacial nerve injury, as well as congenital cleft lip and face, cleft palate or maxillofacial deformities, can be done for maxillofacial surgery.