After nasal polyp surgery is basically similar to ordinary surgery, if the fever reaches 38℃ or less within 3 days, it is generally not treated and belongs to postoperative absorption of fever. If the fever exceeds 38℃, you can use some local medications for symptomatic relief of fever and analgesia, which will also relieve the symptoms quickly. If the fever is below 38℃, it can be physically cooled by taking some alcohol baths, rubbing the forehead, armpits, palms and feet, and basically drinking more water will quickly pass away. within 3 days, if the fever is still above 38℃, it is necessary to use some symptomatic drugs, antipyretic, analgesic and antipyretic drugs, which will also quickly solve the problem.