Rheumatoid arthritis requires assessment of disease activity, therefore, five parameters need to be defined before consultation: How many joints are painful on compression (referred to as the number of painful joints) out of a total of 28 joints, including the bilateral metacarpophalangeal joints, proximal interphalangeal joints, wrist joints, elbow joints, shoulder joints, and knee joints? There are 28 joints in total, including the bilateral metacarpophalangeal joints, proximal interphalangeal joints, wrist joints, elbow joints, shoulder joints, and knee joints, of which how many joints are swollen (referred to as the number of swollen joints)? Xu Wan, Department of Rheumatology, China-Japan Friendship Hospital How high is the blood sedimentation? (in mm/h) How high is the C-reactive protein? (in mg/L) Evaluate your own disease activity. If the most severe disease activity is 10 points, and if you are completely fine is 0 points, what is your current disease activity score? Please evaluate these five parameters before communicating with your friends with rheumatoid arthritis.