Dr. Xian ming Long was born in 1986, he is an associate chief physician of the Department of Rheumatology and Immunology, The First Affiliated hospital of Soochow University. His research focuses on the basic and clinical study of rheumatic diseases, especially focusing on the pathogenesis of primary Sjogren’s syndrome. He has received funding from the National Natural Science Foundation of China and published around 10 scholarly articles in journals in Rheumatology and Immunology.