The patient’s nasal ventilation will remain poor for a short period of time after the deviated septum surgery, often due to a high degree of edema of the nasal mucosa and a lot of inflammatory exudate. At this time, patients are advised not to worry, every patient is like this after surgery. After the operation need to cooperate with anti-inflammatory drugs, anti-inflammatory and reduce swelling at the same time to do nasal irrigation, so that the secretion inside the nasal cavity can be discharged. One week after the operation, the patient’s nasal ventilation will gradually improve, but there will still be a lot of secretion formation, often need to be cleaned up by the doctor under the nasal endoscopy, every week after the operation, the patient needs to return to the hospital for review, until one month after the operation, the patient’s nasal ventilation will be significantly improved.