There are the following possibilities clinically. 1, seen in patients with chronic rhinitis and chronic sinusitis, where nasal cavity is blocked by nasal mucus for a long time, resulting in patients feeling something inside the nasal cavity, such patients may have runny nose, nasal non-ventilation and other related changes. For this case clinically you can use antibiotics, oral mucus promoter, use nasal spray hormone, etc. to relieve reduce the patient’s nasal mucus, so as to eliminate this symptom. 2, the patient does have something growing inside the nasal cavity, the common ones are nasal polyps, nasal inversion papilloma, nasal hemangioma and other diseases, malignant ones are maxillary sinus cancer, olfactory neuroblastoma, sieve sinus cancer and other related diseases. These masses block the nasal cavity, resulting in the feeling of something inside the nasal cavity.3. Some patients do have foreign bodies inside the nasal cavity, commonly children have beans and such inside the nasal cavity, resulting in the feeling that there is always something inside the nose, like this case to be alert, because many children do not describe.