Background rheumatoid arthritis (RA) is one of the diseases associated with the immune system which causes joint damage and effect to the quality of patients life. DAS28 CRP value describes RA disease activity. The anti ccp titer is a very specific examination which provoide an overview progonosis of RA pantients illness. the research on the corellation of anti ccp titers with DAAS28 CRP values has never been done in Indonesia.