Generally speaking, this situation can only be repaired by surgery, and the method is probably: 1. If it is very small, it is fat filling, that is, body fat is taken from other parts and injected under the scar dermis to achieve the purpose of filling. 2. If the nasal cartilage defect is caused, take the cartilage behind the ear to fill the nasal defect. 3, prosthesis, medical silicone, etc.