? There are three reasons why the lips are too upturned: 1, maxillary protrusion, and patients need orthognathic treatment to push the upper jaw back. 2, teeth protruding, to do orthodontics, pull out a few teeth, wear braces. 3. Upper lip soft tissue hypertrophy and red lip hypertrophy, and partial red lip mucosa resection. Mucosal resection of red lip includes spindle resection and M-shaped resection. Patients with orbicularis oris hypertrophy need to remove part of orbicularis oris muscle, and some patients have the above two or three reasons. According to different reasons, different measures are taken to correct the upward protrusion of the upper lip.