At present, there are two main methods. First make two small openings in the mouth, separate the nasal base, then put the triangular prosthesis in and lift the alar base. This method is very common in Korea. Secondly, a through incision was made on the lateral edge of the nostril (inside the nasal columella), which was separated from the surface of the upper alveolar bone, and then a flying swallow prosthesis was placed under the nasal columella. This method is commonly used in the United States, and it is necessary to choose two methods according to different situations.

Nasal floor filling surgery can solve the problem of facial depression and improve the convex mouth.