For the treatment of acute bronchitis, the commonly used drugs are mainly cough and phlegm relieving drugs, generally applying fenagan cough syrup and compound licorice tablets, which have the effect of relieving cough and resolving phlegm. If the phlegm is more serious, you can add phlegm-suppressing drugs alone, commonly used is Ambroxol Tablets or Ambroxol Oral Liquid. If there is dry cough and no sputum, and the airway is also sensitive, you can apply Meprobamate or apply anti-allergic drugs, such as loratadine, cetirizine, etc., all of which have anti-allergic effects. In addition, proprietary Chinese medicine preparations are also effective for acute bronchitis, such as Chuanbei loquat or lung power cough combination. It is necessary to treat the original disease. If the acute bronchitis is caused by bacterial infection, antibiotics should be applied; if it is a viral infection, especially influenza B or influenza A, oseltamivir antiviral treatment should be applied.