Sjogren''s syndrome is a chronic and complex heterogeneous disease characterized by dry angular keratitis and dry keratoconjunctivitis. Ultrasound has been paid more and more attention in recent years due to the advantages of simple operation, non-invasiveness and high reproducibility. More and more studies have shown that salivary gland ultrasound has a potential role in stratified management and monitoring of patients. This paper reviews the diagnostic and monitoring value of SS.