Abstract: Nasal irrigation is a common topical treatment in nasal diseases. In this paper， by summarizing the literature and guidelines， the effect and mechanism of nasal irrigation on upper and lower airway inflammation were expounded， hoping to contribute to the rational application of nasal irrigation in the diagnosis and treatment of upper and lower airway inflammation.

Key words: nasal irrigation, upper-lower airway;inflammation

摘要： 鼻腔清洗是鼻部疾病局部治疗的方法之一。该文通过总结文献和指南，阐述鼻腔清洗对上-下气道炎症的作用及机制，有助于临床医生在上-下气道炎症诊治中合理应用鼻腔清洗方式。

关键词: 鼻腔清洗, 上-下气道, 炎症