Abstract: Burning mouth syndrome is a chronic painful disease that occurs in oral mucosa. Symptoms include a burning or tingling sensation on the surface of the tongue，lips or other oral mucosa，subjectively dry mouth or too little saliva，gustatory disorder or loss of taste and feeling paralysis. Over the years，scholars have done a lot of research on the etiology of BMS. However，the accurate etiology and pathogenesis of BMS remain unclear. This article reviews the etiology and pathogenesis of BMS proposed over the years.

Key words: burning mouth syndrome, etiology, pathogenesis

摘要： 灼口综合征（burning mouth syndrome，BMS）是一种发生在口腔黏膜的慢性疼痛性疾病，临床症状多样，包括舌部、唇或其他口腔黏膜表面的灼烧感或刺痛感，可伴有口腔干燥或唾液过少、味觉改变或感觉麻痹。多年来，学者们对BMS病因的研究众多，但关于BMS确切的病因及发病机制仍不明确。文章就多年来学者们对BMS病因及发病机制的研究做一综述。

关键词: 灼口综合征, 病因, 发病机制