There are many causes of swelling and pain in the nose of patients, as follows: I. Inflammation: Most patients are caused by inflammatory reactions, more commonly acute rhinitis, acute sinusitis, fungal sinusitis, and may also be caused by nasal cellulitis. Second, trauma: some patients are caused by trauma to the nose. Third, tumor: some patients are caused by tumor diseases, such as nasal sinus, involute papilloma, maxillary sinus cancer. Allergy: A small number of patients are caused by allergic reaction to the skin of the nose. There are individual differences in the specific causes of patients. After the onset of the disease, patients need to visit the ENT department, where routine blood tests and nasal endoscopy can be done to help determine the condition and clarify the diagnosis, and after clarification, targeted treatment can be carried out, and regular follow-up is needed to observe the effect.