Minimally invasive nasal polyp surgery, which carries certain risks, is not available in outpatient clinics, while there may be postoperative complications and other conditions, thus requiring hospitalization. Minimally invasive nasal polyp surgery is mainly endoscopic nasal polyp removal surgery, whether general anesthesia or local anesthesia, there will be certain risks during the operation, and there may be postoperative complications such as rhinorrhea, loss of vision, diplopia and so on. Outpatient clinics generally do not have the conditions for intraoperative medical maintenance, and the necessary postoperative monitoring measures and maintenance and disposal can only be completed in the inpatient department. Therefore, minimally invasive nasal polyp surgery requires hospitalization to facilitate postoperative observation of the condition.