Surgery for deviated septum usually involves removal of the deviated portion of bone and cartilage, but it is usually considered when there are obvious clinical symptoms and when medication is ineffective. A deviated septum is a deviation of the nasal septum to one or both sides, or a localized protrusion, and may cause nasal congestion, headaches, nosebleeds and other nasal dysfunction symptoms. If there is no obvious symptom of nasal septum deviation, generally do not need to deal with; patients with obvious nasal congestion, headache, nosebleed, sinusitis symptoms; allergic rhinitis and vasomotor rhinitis with nasal septum deviation, conservative treatment is ineffective; endonasal endoscopic rhinosinus surgery, septum deviation affects the surgical operation and postoperative effect, generally need to be corrected septum surgery. Generally, the commonly used surgical procedure is septal submucosal correction, and it is recommended that the surgery be performed under nasal endoscopy, in which part of the bone and cartilage are removed while the original bony and cartilaginous scaffolding of the nasal septum is preserved as much as possible. When suffering from a deviated septum, you should choose the appropriate treatment plan under the guidance of your doctor for treatment.