At present, only a few large hospitals in China offer oral and maxillofacial surgery to provide patients with specialized treatment conditions for related diseases, but unfortunately, many patients do not know the scope of diagnosis and treatment of oral and maxillofacial surgery, which leads to many diseases not receiving specialized treatment. Oral and maxillofacial surgery (oral and maxillofacial surgery) is a subject that focuses on surgical treatment and studies oral organs (teeth, alveolar bone, lips, cheeks, tongue, palate, pharynx, etc.). ), facial soft tissue, maxillofacial bone (maxilla, mandible, zygomatic arch, etc. ), temporomandibular joint, salivary glands (parotid gland, submandibular gland, sublingual gland, etc. Oral and maxillofacial surgery includes dental and alveolar surgery, prosthodontics, and various temporomandibular joint diseases (tumors, inflammation, etc. ), head and neck tumor surgery (including all kinds of benign and malignant tumors related to oral cavity, face and neck), facial nerve and trigeminal nerve diseases, various maxillofacial injuries (soft tissue injuries and fractures), salivary gland diseases (tumors, inflammation, etc. ), as well as maxillofacial inflammation (lymphadenitis, osteomyelitis of jaw), oral and maxillofacial surgery has dual attributes. On the one hand, in order to prevent and treat oral and maxillofacial diseases, oral and maxillofacial surgery can not be completely separated from stomatology, orthodontics, prosthodontics and other related disciplines; On the other hand, because of its own surgical attributes, it has the same characteristics and connections with general surgery, plastic surgery, tumor surgery, internal medicine and pediatrics. Therefore, we can think that oral and maxillofacial surgery is not only an important part of stomatology, but also an important branch of clinical medicine. Address: No.97 Renmin South Road, Shunqing District, Nanchong