Herbs that clear the lung, relieve cough and dissolve phlegm include Chuanbeimu, loquat leaf and guayule. 1. Sichuan Pei Mu: bitter and sweet in taste, slightly cold in nature, entering the lung meridian, with the effect of moistening the lung and resolving phlegm, clearing heat and dispersing knots, clinically used in dry phlegm cough and hot phlegm cough. 2. loquat leaf: bitter flavor, flat nature, into the lung, stomach meridian, has the effect of clearing the lung and relieving cough, harmonizing the stomach and lowering rebelliousness (harmonizing the stomach qi, so that the upward reversal of the qi down), and resolving phlegm and lowering the qi, clinically used for coughing and coughing of lung-heat, and gas reversal and wheezing. 3. Psidium guajava: sweet taste, cold nature, into the lung, stomach, large intestine meridian, has the effect of clearing the lungs and resolving phlegm, broadening the chest and dispersing the knot, moistening the dryness and gliding the intestines, is mainly used for lung-heat cough, phlegm and yellow thick, thoracic paralysis (chest tightness and pain) coercive pain (coercive pain in the rib area) and breasts swelling and pain and other diseases. In addition, Lily, Platycodon grandiflorus, Maidong and other medicines also have the effect of clearing the lungs, relieving cough and resolving phlegm. Patients with cough with phlegm, which belongs to phlegm-heat syndrome, should be treated with Chinese herbs that clear the lung, relieve cough and resolve phlegm, and it is recommended to go to the hospital as soon as possible and be treated under professional physician’s treatment.