1. Patients with nasal surgery and those in the perioperative period of nasal surgery;
2. Patients with various types of rhinitis, chronic sinusitis, nasal polyps, and patients with nasal tumors after radiotherapy and chemotherapy;
3. Patients who have been working with dust for a long time
4. Patients with upper respiratory tract infections, and also patients with various types of rhinitis.
5. People with nasal postflow who often need to clear their throats or cough
6. Asthma, long-term or chronic cough
7. Atrophic rhinitis
8. People who often have runny noses due to colds or runny noses due to allergies and cause nasal congestion
9. People who are often exposed to polluted air or working environments.
10. People whose nasal cavities are prone to dryness