The right side of the nose is swollen and hurts when pressed. Clinically, there are the following possibilities: in the first case, acute nasal vestibulitis, the patient may have contaminated the nasal vestibule due to frequent nose picking and nose pulling, resulting in a local infection in the nasal cavity, so the nasal vestibule area will have a painful sensation. In the second case, some patients have dry rhinitis, where the mucous membrane of the nasal cavity is dry, eroded and ulcerated, and once the patient presses the right side of the nose there will be a painful sensation. In the third case, some patients have folliculitis or boils on the surface of the nose, and in this case, pain will also appear when pressed. In the fourth case, some patients have nasal vestibular cyst infection, mainly in the nasal wing area, once the infection is heavy, it will lead to the whole nose nasal wing area obviously bulge, this situation should not be difficult to diagnose, early antibiotic anti-inflammatory treatment, want to completely treat and avoid frequent recurrence, you can consider the nasal vestibular cyst removal surgery.