When you inhale too much dust and need to clear your lungs, you can use medication such as Niu Huang Snake Gallbladder and Chuan Bei Liquid and Antelope Lung Clearing Pill. Niu Huang Snake Gallbladder and Sichuan Shellfish Liquid has the efficacy of clearing heat, resolving phlegm and relieving cough. It is used for hot phlegm, dry phlegm cough, symptomatic cough, phlegm yellow or dry cough, sputum not refreshing. It is not recommended to be taken by those who have fever with cold (fear of cold). Antelope Clearing Lung Pill, with the effect of clearing lung and throat (clearing and draining lung heat, clearing and relieving throat), clearing plague and stopping cough. It is used in treating heatiness of the lungs and stomach (the heat of the lungs and stomach is very heavy), heatiness and dizziness caused by sensation of seasonal evils, lassitude of the limbs, cough with abundant phlegm, sore throat, epistaxis (nosebleed) and coughing up blood, and dryness of the mouth and tongue. Prompt medical attention is recommended if there is any discomfort. If medication is needed, it should be diagnosed by a doctor and treated according to the doctor’s instructions.