Patients with symptoms of nasal disinflation and dizziness may have multiple causes, as follows: 1, nasal buccal mucosa congestion: patients with nasal disinflation, the most direct causative factor is a certain degree of congestion, swelling or edema of the nasal buccal mucosa. The most direct causative factor is a degree of congestion, swelling or edema of the nasal buccal mucosa, often due to acute and chronic inflammatory infectious diseases of the nasal cavity and sinuses, or allergic diseases. 2, nasal septum deviation: some patients may also be affected by the septum deviation factor, or the presence of polyps, papillomas and other benign and malignant growths in the nasal tract, which may lead to the condition of nasal insufflation. 4, other factors: including some inner ear diseases and cranio-cerebral Ischemia and so on, if necessary, need further detailed examination.