Sinusitis after surgery to take out the expansion sponge does not ventilate a variety of reasons, in general, may still be in the postoperative recovery, may also be infected, it is recommended to go to the hospital otorhinolaryngology to find out the reasons before further treatment. 1. Sinusitis can have nasal mucosal edema during the recovery period, affecting ventilation, can follow the doctor’s instructions to use glucocorticoid nasal spray to reduce nasal mucosal edema. When the nasal exudate crust, will also affect the nose ventilation, then available saline rinse nasal cavity, to promote the discharge of secretions, if necessary, can be endoscopically by the doctor to remove the dry crust. 2. If the nose is not ventilated after sinusitis surgery, accompanied by fever, headache, abnormal nasal secretions and other symptoms, there may be postoperative infection, the need to take antibiotics to fight infection, such as cephradine, penicillin, etc., patients with a history of allergy to the relevant drugs are prohibited. And pay strict attention to nasal hygiene. Sinusitis after surgery should pay attention to the prevention of infection, postoperative oral antibiotics need to comply with the doctor’s instructions, regular review, and actively supplemental nutrition, to avoid spicy and stimulating food. Sinusitis after surgery to take out the swelling sponge does not ventilation, can also be seen in other reasons, it is recommended to go to the hospital in a timely manner to follow-up, follow the doctor’s instructions for treatment.