Nasal septum surgery is commonly used for the treatment of a deviated septum, and a common surgical procedure is a submucosal resection of the nasal septum. The surgical risks associated with septal surgery are possible complications such as septal hematoma, abscess, and septal perforation. 1. Nasal septal hematoma: Nasal septum surgery produces submucosal bleeding, and the blood is wrapped by the cartilaginous membrane or periosteum of the nasal septum, forming a nasal septal hematoma. Nasal septum hematoma is often manifested as unilateral or bilateral persistent nasal congestion, which can affect breathing, and often requires puncture to extract the blood or local anesthesia to remove the blood through the surgical incision. 2. Nasal septum abscess: If secondary infection, the nasal septum is attacked by purulent bacteria, easy to form abscess. At this time, in addition to nasal congestion, there can be cold, fever, general discomfort, nasal pressure and pain and other symptoms. Nasal septum abscess should be incised in time to drain the pus, and at the same time, follow the doctor’s instructions to use a sufficient amount of broad-spectrum antibiotics. 3. Nasal septum perforation: the mucous membrane of nasal septum is perforated during the operation, which is not treated effectively; the nasal cavity is too tightly stuffed after the nasal septum surgery, which results in poor blood supply to the mucous membrane locally, and delayed nasal septum perforation can occur after the stuffing is removed, which can easily affect the respiration and complicate the infection. After perforation of the nasal septum, another operation should be performed to repair the perforated area. In summary, after nasal septum surgery, you need to avoid touching the nasal cavity with your hands and avoid inhaling harmful chemicals. If symptoms such as nasal congestion, nasal pain and fever occur, go to the hospital in time.