Lung-clearing and knot-dissolving pills should not be taken by the general public. Lung-clearing and knot-dissolving pills are medicines and should be taken under the guidance of a doctor. It is a kind of Chinese patent medicine, which is composed of gynostemma extract, bitter ginseng extract, Panax ginseng, Sichuan shellac, white fruits, Colla Corii Asini, artificial oxalis, etc. It has the functions of clearing the lungs and dispersing knots, activating blood circulation and relieving pain (relieving pain by dispelling blood stasis), and detoxifying and resolving phlegm. It can be used in lung cancer with deficiency of both qi and yin (deficiency of both qi and yin), phlegm-heat stasis, and as an adjuvant to lung cancer surgery, radiotherapy and chemotherapy. It is not allowed to be taken by general people, and must be taken after doctor’s diagnosis, and the medicine and dosage should be according to doctor’s instruction. Adverse reactions and contraindications are not clear, dry mouth may occur during the period of taking the drug, drinking more water can relieve, if other uncomfortable symptoms occur, it is recommended to stop taking the drug and consult a doctor in time.