Mangshanbai Granules is a proprietary Chinese medicine preparation, the main ingredient of which is composed of the Chinese medicine Mangshanbai. This 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 of this drug are relatively few in the process of use, and only a very small number of patients may experience mild symptoms of dry mouth and tongue after taking it, which usually disappear slowly and on their own during the process of taking it, and there is no need to stop taking it. In addition, patients with allergies are prohibited from taking this drug. In addition, while taking this drug, do not take drugs with tonic effect, so as not to affect the effectiveness of the medicine.