Blockage of the lung meridian can cause cough and nasal congestion, etc. Chinese patent medicines to clear the lung meridian include Ginseng Lung Pills, Guilong Cough and Asthma Capsules and Tongxuan Lung Pills. 1. Ginseng Lung Pills: composed of ginseng, tangerine peel, sand nuts and other drugs, it has the effect of benefiting qi, promoting lung, relieving cough and calming asthma (stopping cough and calming wheezing). This product contains poppy husk, easily addictive, should not be taken regularly. 2. Gui Long Cough & Asthma Capsules: It is composed of Gui Zhi, Bai Shao, Han Xia and other medicines, which has the efficacy of relieving cough and resolving phlegm, lowering qi and calming asthma. Do not use tonic herbs during the period of use. 3. Tongxuanliang Pill: It is made up of the drugs Qianhu, Platycodonopsis, Ephedra, etc. It has the efficacy of promoting the lungs and relieving cough, and can be used for the treatment of fever, cough, nasal congestion and other symptoms. It is not suitable for people with wind-heat or phlegm-heat cough, or dry cough with yin deficiency. All of the above medicines can have the effect of promoting the lung meridian and regulating the qi, if you need to use the medicine, you should consult a Chinese medicine practitioner.