Lung Ning Granules is a kind of Chinese patent medicine, the main ingredient of which is Returning Soul Herb, with the efficacy of clearing heat, expectorant, cough suppressing and asthma calming. It is mainly used clinically for clearing lung heat, dispelling phlegm, calming asthma, relieving cough and resolving phlegm, and can be used for infections of the lung, including chronic bronchitis, wheezing bronchitis, bronchial asthma and acute upper respiratory tract infections. The side effects of this drug are relatively few. In the course of clinical research, this drug was found to have a relatively strong killing and inhibiting effect on Staphylococcus aureus, Staphylococcus albus, Staphylococcus pyogenes and Streptococcus b. Some patients may experience adverse reactions after taking this drug, such as itching and rash of the skin and other allergic reactions, which should be temporarily stopped.