Dioxopromazine granules are oral preparations with anti-allergic effects, mainly used for bronchial asthma, cough variant asthma, and allergic pneumonia, and can achieve cough relief, wheezing, and relief of shortness of breath, even dyspnea. It can also reduce the manifestations of hives and itchy skin caused by skin allergies. After some patients take this drug, some adverse reactions may occur, most notably drowsiness and malaise, which generally do not affect the continued use of the drug. However, patients who are allergic to the drug itself, as well as those who work at height, drive vehicles, or operate machinery are prohibited from using it. For patients with epilepsy and hepatic insufficiency, it is necessary to use with caution.