1, perforation of nasal septum, inexperience of doctors during operation or serious inflammation of nasal septum mucosa in patients, which is easy to form when the mucosa is thin, which may lead to whistling when patients breathe;
2, nasal septum hematoma, nasal mucosa on both sides after nasal septum operation is not compressed, or it is easy to form when the coagulation mechanism is poor;
3. Nasal septum abscess refers to bacterial infection based on nasal septum hematoma.