The present invention relates to a novel compound capable of effectively preventing and treating immune diseases and a use thereof. The novel compound of the present invention has effects of inhibiting the formation of proinflammatory cytokines, increasing the activity of regulatory T cells having immunoregulatory functions, inhibiting the production of autoantibodies to regulate excessive immune responses, and inhibiting the differentiation to osteoclasts, and thus can be used for treating immune diseases, such as autoimmune diseases, inflammatory diseases, and transplant rejection diseases, which are caused by abnormal regulation of various kinds of immune responses.