Rheumatoid arthritis (RA) is a chronic, systemic, inflammatory autoimmune disease that results in the destruction of joints, connective tissues, muscle, tendons and fibrous tissue. Effective therapy to manage RA still does not exit at present. Jia Wei Niu Bang Zi pill (NBZP) consists of Chinese herbals which has been widely used in the treatment of RA patients in China for hundreds of years to relieve pain and prevent the affected joints pejorative. However, there is no systematic trials to prove the effect of NBZP for management of RA.