First, it is necessary to determine whether there is a nasal bone fracture when the nose is hit. Second, if there is a nasal bone fracture, reduction treatment is generally carried out within 15 days, which can improve ventilation and deformity. But in your case, it's obviously over. Third, the so-called plastic surgery and plastic surgery must have auxiliary examinations such as three-dimensional ct of nasal bones. Then according to your examination results and face proportion, determine the plastic surgery method. I can't elaborate here either.