1. Autologous costal cartilage is suitable for patients with severe saddle nose or severe rejection of artificial tissue materials. It has good histocompatibility and is not easily absorbed. Fascia and partial spiral cartilage transplantation are also suitable for nasal tip plastic surgery.

2. Expanded PTFE is soft, and its flexibility is closer to soft tissue than other artificial vegetation. It is an inert swelling polymer, and its interior consists of many nodules. The tiny fibers between nodules are interwoven in all directions, which is a super-porous structure with the characteristics of firm and soft, allowing tissue to grow in.

3. Solid silicone prosthesis is the most widely used rhinoplasty material in China at present, which has the following advantages: ① stable performance, little irritation, non-absorption, and long-term storage in tissues; 2 beautiful appearance, easy to shape, no deformation; (3) The price is cheap, the amount of materials is not limited, and it is not cut from the body and bones, so it is easy to be accepted by patients.