Abstract:Objective:Researching the effect of turmeric volatile oil on functions of the respiratory tract.Method:The action of turmeric volatile oil on sputum removing,cough and asthma relieving was observed by vapour inhaling.Result:The volatile oil is significantly active in removing sputum,relieving cough and preventing asthma.Conclusion:Turmeric volatile oil may be an efficacious drug for the treatment of respiratory diseases.