Cold and dry cough is a common symptom, and the treatment is as follows: the first point, nebulized inhalation, by wetting the airway and letting the water stay in the pharynx and larynx, can significantly relieve the local inflammatory response and improve the dry cough. The second point, the application of antibiotics, you can selectively apply antiviral drugs, antibacterial drugs, more penicillin such as amoxicillin clavulanic acid potassium, because many cases of cold will cause tonsillitis, which is also the treatment range of penicillin. The third point, you can take Chinese medicine, such as Blue Scutellaria Oral Liquid, Pudilan Anti-inflammatory Oral Liquid, these drugs can clear the heat and detoxify the toxins, for the discomfort in the pharynx, dry cough, have a very good treatment effect.