The present disclosure relates to a composition for treating and preventing an rheumatoid arthritis, wherein the composition containing a peptide comprising amino acid sequence of SEQ ID NO: 1, a peptide having 80% or more sequence identity with the amino acid sequence of the peptide or a peptide which is a fragment thereof. According to the present invention, provided is a composition for prevention or treatment of rheumatoid arthritis having a superior effect of treating and preventing rheumatoid arthritis with minimized side effect.
