BackgroundHeadaches are common complaints in the emergency department (ED) and have raised concern about acute medication overuse. Chinese medicine is a major complementary and alternative medicine in China and effective for headaches. This study aims to summarize characteristics of headache patients at EDs and the utilization of Chinese medicine for headache managements in EDs. https://parisnaturalfoodes.shop/product-category/pro-emulsified-vitamin-d/