Objective:To evaluate the influence of endoscopic sinus surgery on olfactory disorder caused by chronic sinusitis and nasal polyps,by testing the olfactory function of seventy-four patients before and after endoscopic sinus surgery,and evaluate the outcomes of olfactory dysfunction after endoscopic sinus surgery in patients with choinc rhinosinusitis and the related factors.Method:The olfactory function of the seventy-four patients with chronic sinusitis and nasal polyps were tested by the T&T olfactory tes...