Licorice tablets are compounded, and its ingredients mainly include licorice fluid infusion powder, opium powder, camphor, anise oil, and sodium benzoate. Licorice tablets have addictive characteristics, mainly because they contain opium powder, which can centrally suppress cough and has a very powerful cough suppressant effect. In clinical application, the main function of licorice tablets is to tonify the qi and strengthen the spleen, to harmonize the middle and slow down the emergency, and to harmonize the medicines. Licorice tablets are often used clinically to treat persistent coughs, mostly seen in people suffering from chronic diseases, like chronic bronchitis, obstructive emphysema, lung abscess, and chronic asthma. For clinical application, it is best to control the dosage and prevent addiction.