Clinical diagnosis of most types of rheumatic diseases can be based on blood tests for immunology, biochemistry and coagulation, among other laboratory tests. Rheumatic diseases refer to a large group of diseases affecting the bones, joints and surrounding soft tissues. Common types of rheumatic diseases include rheumatoid arthritis, systemic lupus erythematosus, scleroderma, polymyositis, ankylosing spondylitis, etc. Most types of rheumatic diseases can be clinically diagnosed through blood tests for immunity, biochemistry, coagulation, and other laboratory tests. For example, urinary uric acid and blood uric acid can provide clues for the diagnosis of gouty arthritis, while autoantibodies, blood sedimentation, CRP, rheumatoid factor and other laboratory tests have clinical significance for rheumatoid arthritis, systemic lupus erythematosus and other rheumatic diseases. Rheumatism blood test related issues are recommended to the rheumatology and immunology department of the regular hospital for detailed consultation.