Mouth-breathing face and adenoid face, which is characterized by teeth showing outside the mouth, lips protruding forward, and a receding and elongated chin. Adults generally cannot be restored, but can be treated by orthognathic orthodontics and other treatments. Adults who have developed mouth-breathing face should first go to ENT to restore the nasal airway. Removing the triggers of mouth-breathing, such as deviated nasal septum and adenoid hypertrophy, is the prerequisite to promote the restoration of the nasal airway. Close the oral cavity abnormal breathing channels at present the most commonly used is malocclusion correction, jaw bone corrective surgery, but the adult dental correction effect is less ideal, usually need to cooperate with the surgical treatment. If you are an adult patient who wants to correct your mouth breathing face, it is recommended that you go to a regular hospital for consultation and receive professional advice and treatment from a specialist, because corrective surgery for mouth breathing face carries a certain degree of surgical risk.