For patients with large nostril, just cut a skin flap inward on the arc from the base of nasal alar to the side of nasal columella before augmentation rhinoplasty, which can fully loosen the tissue at the base of nasal alar, remove some tissue according to the actual cosmetic effect, and then suture the nasal columella, skin flap and the outside of nasal alar intermittently. This method can also remove some tissues at the bottom of the nostril in the nasal cavity as needed.