There are many reasons for a collapsed nose: first, it is likely to be congenital, which is generally related to genetic factors; second, it is likely that the patient suffered a trauma, such as a fracture of the nasal bone, which can easily lead to the collapse of the nasal bone, so there is a deformity; third, it is likely that the patient has a lot of polyps inside the nasal cavity, the presence of a long time easy to form a collapsed nasal cavity, especially flat, it is recommended to go to the hospital for detailed examination, clear If this affects the patient’s aesthetics, you can consider plastic surgery, using silicone, autologous rib cartilage or through injections, including hyaluronic acid, fat, can be corrected to become a normal nose.