1. Objective : To study the effect of fungal sinusitis with operation by canine fossa under nasoscope.

2. Methods: The result of effect and follow-up were analysis in 24 patients with fungal sinusitis who were treated with operation by canine fossa under nasoscope.

3. 17 Objective To investigate the curative effect of tube placement and drug irrigation in the auditory tube under nasoscope in the treatment of secretory otitis media(SOM).