Rheumatoid arthritis does not directly cause death, but if rheumatoid arthritis is not well controlled, the joints are severely deformed and cannot walk, and the arms cannot eat or dress, the quality of life will be very poor and can be worse than death, and the life expectancy of a person in this state is bound to be very short. In addition, rheumatoid arthritis may be accompanied by endocarditis and vasculitis, as well as various digestive problems, skin problems, and even respiratory problems. When there are immune problems, especially endocarditis, etc., it can cause or increase the chances of death. Rheumatoid arthritis requires regular treatment in order to achieve a better recovery of living conditions.