The effect of nostril shaping is better, which can effectively shape the desired nostril. The operation was cut inward along the arc from the outside of the alar to the side of the columella. The skin flap is formed to fully release the nasal root and alar tissue, and some tissues can be removed according to the actual cosmetic effect, and then the nasal columella, the skin flap and the lateral alar can be sutured intermittently.