Rodgersia aesculifolia Batal. is the dry rhizomes of Saxifraceae plant-genus Rodgersia Gray. As a traditional Chinese medicine for hundreds years, theRodgersia Gray. is an effective broad-spectrum antibacterial and antiviral medicine forthe treatment of rheumatoid arthritis, chronic bronchitis, dysentery, asthma bronchial,inflammation and chronic gastritis. The volatile components from the dry rhizomes ofRodgersia aesculifolia Batal. is extracted in this work, using Soxhlet, ultrasonic-steamdisti...