Lung Ning granules consist of revertant herb extract, the main effect is to clear heat and dispel phlegm, suppress cough and calm asthma. It is used by children in respiratory diseases such as common bronchitis, lung infections, respiratory tract infections, bronchitis with excessive phlegm, severe cough or with wheezing, and the use of this medicine has the effect of calming asthma. In addition, pulmonary nervine granules can not just go to the market to buy, the dosage should be used under the guidance of a physician. The Chinese herbal medicine, rehmannia, has some toxicity and its safety and adverse reactions are not completely clear, so it is recommended to use the drug under the guidance of a physician. If you take Lung Ning granules orally and your cough symptoms are not relieved, you should go to the hospital.