Collagen injection rhinoplasty is a preparation injection method. After injection to a certain extent, its visible components immediately fill the depression to make it full, and of course, it can also achieve its ideal rhinoplasty effect. Injection time: about half an hour. Advantages: the effect is immediate, the disadvantages can be modified and supplemented at any time, and the plasticity is high. Collagen injection rhinoplasty is a new filling rhinoplasty method, and the effect of collagen injection rhinoplasty is the same as hyaluronic acid rhinoplasty.