1. 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).

2. Results: 24 patients with fungal sinusitis were cured with operation by canine fossa under nasoscope.

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

4. AIM: To evaluate the curative effect of intra-nasal dacryocystorhinostomy on chronic dacryocystitis under the nasoscope.

5. 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.