Swollen nose is a more common clinical symptom. Generally speaking, the common causes are mainly the following: a. The skin around the nose is often greasy, and if the local hair follicles are blocked, it can cause difficulties in excreting secretions and local septic infection. Patients who repeatedly squeeze, causing the surrounding skin bacteria infiltration into the tissue interstices, nose swelling, pain, and accompanied by increased skin temperature. Second, patients with allergic rhinitis will have a significantly enlarged nose due to hypertrophy and hyperplasia of the turbinates or hyperplasia of nasal polyps. At this time, patients can clarify the nature of the lesion through endoscopic examination, and perform surgical treatment of nasal polyps or hypertrophic turbinates as soon as possible, so as to reduce the nose hypertrophy, patients with runny nose, nasal pain, nasal congestion and other symptoms.