When smoking causes dry cough, you must quit smoking before taking medication, as long as you can quit smoking to better control the symptoms of dry cough. The patient should be appropriate selection of cough medication, such as oral cotrimoxazole capsule, cough, cotrimoxazole tablets, cotrimoxazole oral solution, dextromethorphan hydrobromide oral solution and other cough treatment. Due to the increased sensitivity caused by smoke irritation of the respiratory tract, patients also need to take oral antihistamines, such as ketotifen or cetirizine hydrochloride tablets, and some patients need to be treated with the leukotriene modulator montelukast. In addition, some patients are suffering from laryngitis due to the irritation of the pharynx caused by smoke after smoking, and dry cough due to the itchiness and discomfort of the pharynx. These patients also need to take oral medications to moisten the throat, such as honey-refined Pei Pa Koa, Scutellaria Baicalensis Oral Liquid, and other symptomatic treatments.