Nasal dorsal height enhancement is the most common requirement in the current yellow rhinoplasty, rhinoplasty can be used in the following ways: 1. Hyaluronic acid is a substance that exists naturally in the tissue and is also one of the components of the human dermal tissue, injected into the skin, small incision, no scar, after entering the body will cause expansion at the injection, and can freely adjust the nose shape. However, hyaluronic acid rhinoplasty also has certain limitations, as it requires multiple injections and the degree of rhinoplasty is limited, and it is not suitable for people with low nasal bridge. Its effect can be maintained for 6 to 12 months, to maintain the nose must again receive injections; 2, artificial materials are mainly silicone and expanded polytetrafluoroethylene, silicone nasal prosthesis is more soft, and there are more different shapes and sizes to choose from, can make the nose after surgery more natural shape. Teflon is another commonly used artificial material, a variety of different thicknesses of the ship-shaped puffy material in the surgery is easier to place; 3, autologous cartilage is often used autologous rib cartilage, ear cartilage or nasal septum cartilage. Among them, rib cartilage is the ideal choice for grafting material because of its sufficient strength and adequate amount of tissue.