Compound licorice cough drops are called compound licorice oral solution, which is a cough medicine. Compound licorice oral solution is a compound preparation, the main ingredients include licorice fluid infusion, compound camphor tincture, compound camphor tincture contains camphor, opiate, anise oil, and benzoic acid. In addition, compound licorice oral solution also contains glycerin, guaiac glycerol ether and concentrated ammonia solution. Among the main ingredients of compound licorice oral solution, licorice fluid infusion as a protective expectorant, compound camphor tincture is a cough suppressant, guaiacol glycerol ether is with expectorant and cough suppressant effect, and also has some antiseptic effect. Glycerol and concentrated ammonia solution are excipients to maintain the stability of the preparation and prevent the generation of precipitation and precipitation. Based on the pharmacological effects of these main ingredients, Compound Licorice Oral Solution can be used mainly for coughing and coughing up unpleasant phlegm in upper respiratory tract infections, bronchitis and colds. In short, Compound Licorice Cough Solution is mainly used as a cough suppressant and expectorant.