中文摘要：

基于中医药理论和西医学病生理认识，从理、法、方、药不同角度对清燥救肺汤进行分析，探讨清燥救肺汤与干燥综合征之间的相关性。干燥综合征属于中医“内燥”范畴，清燥救肺汤虽然是治疗“外燥”的方剂，但其立法主以宣、清、润、补、利五法，清中有润，润中寓补，对于干燥综合征肺部损害所致的干咳、无痰等症亦有疗效。因此，清燥救肺汤的组方原理、配伍药物与干燥综合征肺损害患者燥毒侵肺的证候具有高度契合性，可有效治疗干燥综合征之“燥咳”。

英文摘要：

Qingzao Jiufei Tang has been analyzed from the angles of theory, therapies, formulas and medicinals based on TCM theory and pathology and physiology in modern medicine, and the correlation between Qingzao Jiufei Tang and Sjogren syndrome was discussed. Sjogren syndrome belongs to the field of internal dryness in TCM. Qingzao Jiufei Tang, although is a formula for external dryness, has curative effect on dry cough and spit-free induced by lung damage of Sjogren syndrome based on the therapies of diffusing, clearing, moistening, tonifying and purging lung. The design principle and medicinal combina- tion of Qingzao Jiufei Tang has higher compatibility with the symptoms of dry toxin invading lung in pa-tients with Sjogren syndrome, so it can be used for treating effectively dry cough of Sjogren syndrome.