Drinking cough syrup for dry cough has some benefits and can reduce the symptoms of cough. Dry cough is mainly a cough without sputum, and this is the time to choose, for example, compound licorice syrup, fenagan cough syrup, procaterol hydrochloride oral solution, compound forcodine oral solution, and aminoglutethimide oral solution. These syrups are effective in relieving dry cough without sputum, reducing airway hyperresponsiveness, and are also effective in cough variant asthma. These syrups can alleviate dry cough and can relieve the effects on the patient due to dry cough, such as reducing the effects on sleep and the effects on work and life, with some benefits.