[1]Affiliated Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China;
[2]Affiliated Hospital of Chengdu University of Traditional Chinese Medicine/Chengdu Gaoxin Huisheng Rheumatism Hospital Chengdu China;
[3]Beijing Traditional Chinese Medicine Hospital Affiliated to Capital Medical University Chengdu China;
[4]Affiliated Hospital of Liaoning University of Traditional Chinese Medicine Chengdu China;
[5]Chengdu Yingdu District Hospital of Traditional Chinese Medicine Chengdu China;
Sjogren''''s syndrome; T lymphocyte subsets; FLow cytometry; Monoclonal antibody; T cell receptor Vβ gene;