The swelling material for rhinoplasty, also called PTFE, is a kind of prosthetic material and has many advantages. For example, it is very sculptural and can be carved into any shape according to the nose of the beauty seeker; Good compatibility with human body, low rejection, non-toxic, non-carcinogenic and non-allergic, and it is the same as autologous tissue implanted in nose; Because of its soft texture, the postoperative effect is natural and realistic, and it does not move, deform or penetrate the skin. It has no "transparency" of silica gel, light weight and no feeling of falling. The material is imported and made in China, so the price is naturally different. Domestic materials are a little cheaper, but both domestic and imported materials have good postoperative effects, and beauty seekers can choose according to their own economic strength.