If you have a cough caused by smoking, you must first stop smoking, even if people around you smoke. Smoking is a serious irritant to the respiratory tract, which can easily lead to bronchial smooth muscle spasm, resulting in coughing symptoms. Harmful components in smoke are also more, it is easy to damage the respiratory mucosa, ciliated epithelial cell shedding or damage, for pathogenic microorganisms are often discharged abnormally, it is easy to respiratory tract infections, resulting in coughing symptoms. Need to use anti-inflammatory drugs for treatment, such as buspirone anti-inflammatory oral solution or blue scutellaria oral solution, if the complication of bacterial infection, also need to use antibiotics for treatment, such as amoxicillin, amoxicillin clavulanic acid potassium or cefixime granules, the effect is good. If coughing due to bronchospasm occurs, bronchodilators are needed, and direct inhalation of Cymbalta is recommended to relieve coughing symptoms.