The nature of the nasal mass is mainly determined by pathologic examination, while imaging tests such as CT or MRI can assist in the diagnosis. The gold standard for determining the nature of the swelling is pathological examination, which is performed by surgical resection of the swelling and postoperative biopsy of the pathological specimen, which can obtain a portion of the tissue from the location of the lesion, and then the nature and pathological type of the swelling can be clarified through pathological examination. Imaging examination: CT or MRI examination can clarify the size, location and relationship with the surrounding tissues of the nasal mass, etc., to assist in the diagnosis. When a nasal swelling occurs, you should consult the local hospital as soon as possible, improve the relevant examinations to clarify the diagnosis, and then follow the doctor’s instructions to standardize the treatment after the diagnosis is clear.