Abstract:Objective To evaluate the relief of symptoms of bronchial asthma after the endoscopic sinus surgery in patients with asthma and chronic rhinosinusitis. Methods From 2001 to 2007, 40 patients suffering from asthma and chronic rhinosinusitis were given endoscopic sinus surgery. All the patients were followed up for at least 3 years after surgery. Results One year after surgery, the symptoms of bronchial asthma got disappeared in 6 15.0%) and improved in 18 (45.0%).Three years after surgery, the symptoms got disappeared in 18(45.0%) and improved in 14 (35.0%). Conclusion After endoscopic sinus surgery, the symptoms of bronchial asthma can be relieved significantly in most patients with asthma and chronic rhinosinusitis. And some patients can be cured with operation.