Dry cough is mainly seen in wind-dryness syndrome and lung-yin deficiency syndrome in traditional Chinese medicine. The main causes of lung cold and dryness syndrome are lung cold and dryness syndrome and loss of lung clearing. Generally, Sangxing decoction is flavored to dispel wind, clear lung, moisten dryness and relieve cough. Commonly used drugs are mulberry leaves, mint and fermented soybean to dispel wind and relieve exterior syndrome. Almond, peucedanum, burdock, clearing lung and relieving cough. Fritillaria thunbergii, Trichosanthis Radix, and Rhizoma Phragmitis, which promote fluid production and moisten dryness; Lung yin deficiency syndrome is generally modified with Shashen Maidong decoction, which has the effects of nourishing yin, moistening lung, resolving phlegm and relieving cough. Commonly used drugs are Adenophora adenophora, Ophiopogon japonicus, Trichosanthes root, Polygonatum odoratum and Lily, which nourish yin and moisten lung. Licorice. Fritillaria thunbergii, almond, moistening lung and resolving phlegm, Cortex Mori and Cortex Lycii clearing away lung heat. Usually, Fritillaria cirrhosa and pear water can be used instead of tea, which has the effect of clearing away heat and moistening lung.