Nasal alar plastic surgery can reduce or increase the size of nose; Change the tip of the nose or the back or shape of the nose; Narrow and change the angle of nostrils, nose and upper lip. Nasal alar plastic surgery can also correct some congenital or post-traumatic deformities.

The treatment method is as follows: make an incision above the nasal vestibule or at the base of the lateral alar, secretly separate the alar margin, separate a cavity between the external nasal skin and the vestibular skin to accommodate the implant, cut an oval or rectangular cartilage above the lateral foot of the alar cartilage, implant the implant in the separated cavity at the upper alar, pad and fix the implant, pull it down with thread, and fix it on the upper lip with adhesive tape. Nasal alar hypertrophy is more common in yellow and black people, often accompanied by alar drooping at the same time, and the thickened and drooping alar tissue can be removed.