Comparatively speaking, the effect of injection rhinoplasty is unstable. Generally, after 8- 12 months of injection, the injected substance will be partially absorbed and decomposed, and it is necessary to supplement the injection again, which is not recommended. Injection rhinoplasty is a method of shaping by injecting filling materials. The operation can be completed in just a few minutes, and the operation is simple and non-invasive with perfect effect. Prosthetic rhinoplasty uses incision.