The common ones are nasal polyp, involute papilloma and other diseases, for which, clinically, surgery can be used to deal with; 3, patients with malignant tumors in the nasal cavity, the common ones are maxillary sinus cancer, septal sinus cancer, olfactory neuroblastoma and other related diseases, which are manifested as the appearance of meat pimples in the nasal cavity. All in all, if a patient has a nasal lump, it is recommended that the patient go to ENT clinic for nasal endoscopy and sinus CT examination, and if necessary, nasal biopsy to clarify the nature of the disease.