Under normal circumstances, the width of the nose is harmonized with the face and is very important for the overall beauty of the face. If the nose and nostrils are too wide, it can be perfected by nostril reduction surgery, mainly in the following aspects: 1, wide nose combined with wide nostrils, it can be prudent to implement partial excision of the base of the nose nostril narrowing; 2, nostril margins can be partially excised from the free edge of the nasal wing, trimming of the nasal wing cartilage, after the incision is sutured to the inner surface of the wing; 3, nostrils can be over-exposed also use the repair of the ear cartilage, composite grafting to Repair; 4, secondary nostril widening deformity after cleft lip surgery, excision of scar tissue at the base of the nose, free nasal base, free nasal base after inward suture to narrow the nostrils. Nostril reduction is characterized by the fact that nostril reduction can significantly change the shape or size of the nostrils, so that the size and shape of the nostrils are harmonized with the face in a beautiful way.