Narrowing the bridge of the nose is the best way to correct the nasal bone width. The specific operation method is as follows: 1. If the alar is wide and the nostril is wide, the narrowed part of the bridge of the nose can be carefully removed and the nostril can be narrowed. The incision is located at the base of alar and the lower part of alar sulcus. Under local anesthesia, part of the full-thickness tissue of the alar base was properly removed, and then the nostril was rotated inward to narrow and sutured intermittently in layers. Second, if the alar margin is wide, the alar free margin can be partially cut off, and the incision can be stitched on the inner surface of the alar after trimming. 3. If the nostril is not big, the alar is too thick or the upper part of the alar groove is too plump, the operation of narrowing the bridge of the nose can make a skin incision along the front edge of the lateral foot of the alar cartilage, peel off the skin and the alar cartilage below, remove the swollen soft tissue on the cartilage surface, and then appropriately remove the upper and outer parts of the alar cartilage; Then, in the nostril, the rhombic vestibular skin and nasal mucosa are cut off on the inner side of the alar base, and the excess adipose tissue is cut off; Finally, the incision on the edge of the nostril and the incision on the inner side of the alar root are sutured.