Laryngeal Wind San is a compound preparation of proprietary Chinese medicine, mainly used for throat inflammation and other symptoms of sore throat relief, some patients taking this drug process will have adverse reactions, such as allergic reactions, skin rashes, itching, and even serious will lead to laryngeal mucous membrane edema, and hoarseness, or even choking state. In addition, for patients with chronic diarrhea who have spleen deficiency, loose stools and unformed stools need to be used with caution, and this drug is also used with caution for colds and flu of wind-cold nature, in which the patient develops sore throat, sneezing, runny nose, and no sweating, and such patients also need to be used with caution, as the use of this drug will rather exacerbate these symptoms. In addition, this drug mainly contains pearl, oxalis and ice chips.