The main way of nose correction is to extend the length of nasal septum cartilage. The nasal septum cartilage and alar cartilage were separated by open incision during the operation. At the same time, the cartilage below the nasal septum or auricular cartilage is taken out as the material to prolong the cartilage of the nasal septum. Through some auxiliary operations, such as rhinoplasty and nasal tip cartilage transplantation, the length of the nose can also be increased and the degree of nose facing the sky can be reduced. There are three methods of rhinoplasty: cartilage transplantation, bilateral alar cartilage inner foot close to the tip of nose, and alar base wedge resection.