The severity of sieve sinusitis is determined by two main aspects: first, the patient’s symptoms; second, the clinical endoscopy as well as sinus CT examination to determine. If the patient does not have any symptoms of sinusitis, there is no nasal congestion, nasal discharge, nose, headache and other manifestations, clinical CT examination just found that the sieve sinus local mucosal thickening, nasal endoscopy did not find that the middle nasal passages have secretions, this sieve sinusitis is very light and does not need to be dealt with, observation can be. If the patient’s nasal blockage is very serious, the nasal cavity of the middle nasal tract has a large amount of secretion accompanied by headache, the inner canthus area pain and pain in the eye, clinical endoscopy found in the middle nasal tract and the upper nasal passages have more purulent secretions, CT examination shows that the sieve sinuses in the soft tissue thickening shadow is very obvious, this case suggests that the sieve sinusitis is serious, and need to be anti-inflammatory, nasal spraying hormone, oral mucus drainage agent, if necessary, take hormone and other comprehensive symptomatic treatment. Taking hormone and other comprehensive symptomatic treatment, some patients if drug treatment has no effect, clinically can be opened through the sieve sinus endoscopic sieve sinus open surgery, to promote the relief of sieve sinus inflammation.