Dryness and evil against the lungs refers to the invasion of dryness and evil, resulting in the loss of lung cleanliness and moisturizing, the lung guards are not pronounced, with dry cough without sputum, or sputum is small and sticky and other symptoms. The specific medication for dryness should be prescribed by a professional physician, and commonly used proprietary Chinese medicines include nourishing yin and clearing the lung syrup, moistening the lungs and relieving cough capsules, and so on. 1. Nourishing Yin Qing Lung Syrup has the effect of nourishing Yin and moisturizing the lungs, clearing heat and facilitating the pharynx, and is used for the treatment of dry and painful throat, dry cough, little or no phlegm and other diseases. The adverse reactions and contraindications of this product are not clear. 2. Moistening the lung and relieving cough capsule has the efficacy of nourishing yin and clearing heat, moistening the lung and relieving cough, and is usually used for lung-heat and dry cough, or cough caused by heat disease and injury to yin. This product is contraindicated in pregnant women. The adverse reactions of this product are not clear. After the discomfort should be timely medical treatment, under the guidance of the physician’s identification and selection of medication, not self-medication, so as not to delay the condition.