What are the nasal diseases? This involves the classification of nasal diseases, according to our textbook classification, there are mainly the following, first, congenital nasal diseases, such as nasal meningeal brain expansion. Second, traumatic nasal diseases, such as nasal bone fracture, nasal concave set wide compound structure fracture. Third, inflammatory diseases, such as acute and chronic rhinitis, sinusitis, etc. Fourth, tumor diseases, such as maxillary sinus cancer, septal sinus cancer, nasal papilloma, etc. Fifth, some other disease classification, such as nasal infectious diseases, that is, some specific infections, such as leprosy, nasal tuberculosis, nasal leukodystrophy and so on. Of course, there are some other classifications, such as inflammatory diseases of the nose, which can be further divided into infectious and non-infectious, infectious, such as sinusitis, acute and chronic rhinitis, and non-infectious, such as allergic rhinitis. So there are mainly these situations involving the classification of lesions. The above content is for reference only, please refer to the doctor’s face-to-face guidance for specific medication and treatment.