Rhinoplasty can also be repaired, usually within one week after operation. 2. Three months after operation. 3. Immediately after the prosthesis is taken out. 4. Three months after the prosthesis is taken out. Principles of prosthetic surgery 1. Observe the patient's nose shape and facial contour carefully, find out the nasal defects and design a reasonable surgical plan. 4. Carve the nasal prosthesis model carefully to correct the original defects. 3. Ensure that the implantation cavity is accurate and the prosthesis is implanted correctly. 4. Postoperative care should be in place to avoid retrograde infection and prosthesis displacement.