The difference between Chuanbei Lung Clearing Syrup and Chuanbei Cough Syrup lies in the differences in drug composition, efficacy and main treatment. 1. Composition: Chuanbei Lung Clearing Syrup is composed of loquat leaf, peppermint, almonds, Chinese tangerine stalks, licorice, Sichuan shellfish, di Huang, maitake, while Chuanbei Cough Syrup is composed of Sichuan shellfish, licorice, Chen Pi, almonds, Chinese tangerine stalks, Qian Hu, Hundred Flowers, Aster, Perilla leaf. 2. Efficacy: Sichuan Bei Qing Lung Syrup has the efficacy of clearing lung and moistening dryness, relieving cough and resolving phlegm, while Sichuan Bei Cough Syrup has the efficacy of promoting lung qi, dispersing wind-cold, expelling phlegm and relieving cough. 3. Indications: Chuanbei Lung Clearing Syrup can be used for the treatment of dry throat, sore throat, dry cough. The syrup can be used to treat wind-cold cold, cough and gas reversal. Adverse effects of Chuanbei Lung Clearing Syrup and Chuanbei Cough Syrup have not been clarified, allergy is prohibited, avoid smoking, alcohol, spicy stimulating food, should be used under the guidance of a physician.