Abstract:Functional rhinoplasty aims to improve nasal ventilation and aesthetic appearance. Graft implantation is the basis of structural rhinoplasty and is widely used in functional rhinoplasty, it can improve nasal ventilation by effectively widening the nasal valve angle and supporting the lateral nasal wall. This paper reviews the clinical application of various functional rhinoplasty graft techniques, including septal, upper lateral, and lower lateral grafts. Septal spreader graft (SSG) and septal extension graft (SEG) are suitable for patients with septal deviation to improve nasal ventilation. Butterfly graft (BG) and upper lateral splay graft (ULSG) can effectively reduce airflow resistance in the internal nasal valve and prevent lateral wall collapse. Lateral crural strut graft (LCSG) and alar rim graft (ARG) are suitable for simultaneous improvement of the morphology and ventilation function of the external nasal valve.The application of synthetic materials and endoscopic techniques further enhance surgical outcomes and safety. Nevertheless, functional rhinoplasty still requires personalized designs according to individual differences, and more high-quality randomized controlled trials are needed in the future to verify the long-term effectiveness of different techniques.