Research Interest: 1. Autoimmune diseases Establishment of animal model with autoimmune diseases and GVHD, study of autoimmune disease mechanisms of RA, GVHD and Tumor. 2. Pharmacology Include Immune-pharmacology, Molecular Pharmacology and Clinical Pharmacology. Effect and safety evaluation of new drugs for anti-inflammatory and immune and study protocol design. Studies of cell signaling in inflammation and autoimmune diseases, pharmacological strategies for the treatment of autoimmune diseases and phase I, II, III clinical trial for new drugs.