Nourishing Yin and Clearing Lung Pill is mainly indicated for irritating persistent cough caused by Yin deficiency. Dry cough without phlegm due to dry and sore throat. Nourishing Yin and Clearing Lung Pill, which is a proprietary Chinese medicine preparation, is a combination of many traditional Chinese medicines with the effect of nourishing yin and moisturizing dryness, clearing the lungs and facilitating the pharynx, and its main ingredient contains maitake dong, xuanshen, and chuanbeimen etc. These Chinese medicines can help to nourish yin and moisturize the lungs. The combination of these traditional Chinese medicines is able to nourish yin and moisten the lungs, so it is mainly used clinically for coughs due to yin deficiency, especially for the relief of irritating coughs with phlegmless, irritating dry coughs, dry itchy and painful throats, and other irritating coughs.