Rheumatoid refers to rheumatoid arthritis, there is no such thing as which indicator can determine the severity of rheumatoid arthritis. The severity of rheumatoid arthritis is generally analyzed according to the patient’s condition, such as the number and degree of swollen and painful joints, joint X-rays, blood sedimentation and C-reactive protein, and the presence of systemic damage and so on. 1. Number and degree of swollen and painful joints: the more swollen and painful joints and the more severe the degree, the higher the severity of inflammation in rheumatoid arthritis. 2. Joint X-ray: Joint X-ray indicates that the more serious the bone damage and joint deformity, the more serious the consequences of rheumatoid arthritis. 3. Blood sedimentation and C-reactive protein levels: the higher the values of blood sedimentation and C-reactive protein, the more severe the inflammation of rheumatoid arthritis. 4. The presence of systemic damage: rheumatoid arthritis can lead to interstitial pneumonia, blood system damage and other systemic damage, if present, represents the more serious rheumatoid arthritis. The severity of rheumatoid arthritis is a result of a comprehensive analysis and cannot be generalized. If rheumatoid arthritis is suspected, it is recommended to consult the Department of Rheumatology and Immunology of regular hospitals for standardized treatment.