There is no such thing as “the most effective proprietary Chinese medicine for dry cough”. There are many kinds of proprietary Chinese medicines used in the treatment of dry cough, such as Nourishing Yin Qing Lung Pills, Snow Pear Cream, Chuanbei Qing Lung Syrup and so on. 1. Nourishing Yin Qing Lung Pill: It can nourish Yin and moisturize dryness, clear the lungs and benefit the pharynx (clearing and draining lung heat, clearing and benefiting the pharynx). It can be used to treat yin deficiency and lung dryness (the deficiency of yin in human body leads to lung dryness without moisturizing), dry and sore throat, and dry cough with little phlegm. Adverse effects of this medicine are not known. It is contraindicated in diabetic patients and people with phlegm-dampness congestion, which is manifested by phlegm that is thick and sticky, or thick and lumpy. Avoid smoking, alcohol and spicy, cold, greasy food. 2. Pear cream: can clear lung heat, moisturize dryness and relieve cough. It is used for dry cough and prolonged cough. 3. Chuanbei Lung Clearing Syrup: It can clear the lung, moisten dryness, relieve cough and resolve phlegm. Used for dry cough, dry throat, sore throat. It is recommended that patients use medication under the guidance of a doctor, do not take medication on their own.