Mangshanbai Granules is a proprietary Chinese medicine preparation, the main ingredient of which is the Chinese medicine Mangshanbai. The drug has the efficacy of expectorant and cough relief, and can be used clinically for acute bronchitis and acute attacks of chronic bronchitis. The side effects are relatively few, and only a very small number of patients may experience mild symptoms of dry mouth and tongue after taking it, which usually disappear on their own during the course of taking it and do not need to stop taking it. However, if an allergic reaction occurs, it is forbidden to take it. In addition, while taking the drug, it is not advisable to take tonic drugs at the same time, so as not to affect the effectiveness of the medicine.