Coughs can be caused by a variety of reasons, commonly found in coughs after the common cold, pneumonia, and allergic coughs. Coughs need to be treated according to the cause. 1. Cough after common cold: for cough caused by common cold, we can use honey-refined loquat paste, dextromethorphan, etc. 2. 2. Pneumonia: Cough caused by pneumonia can be suppressed with drugs such as Lung Li Cough Compound and Dextromethorphan Hydrobromide. For bacterial pneumonia, cefuroxime and cefixime can be used; for mycoplasma pneumonia, moxifloxacin and roxithromycin can be used. 3. Allergic cough: irritating dry cough, mostly paroxysmal, daytime or nighttime cough. It can be treated with inhaled glucocorticoids such as budesonide and/or oral antihistamines such as loratadine. There may be other reasons for coughing, so it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy. The above medications should be used under medical supervision.