Common tests for rheumatic diseases include: 1. Clinical immunological examinations: including antinuclear antibody profile, anti-ds-DNA antibody, anti-ENA antibody, anti-neutrophil cytoplasmic antibody, anti-platelet antibody, anti-cardiolipin antibody, rheumatoid factor, anti-mitochondrial antibody, anti-smooth muscle antibody, complement, immunoglobulin, etc.; 2. Imaging examinations of bones and joints: including joint nuclear magnetic, joint x-ray, 3. genetic aspects: major histocompatibility antigen HLA-B27, etc.; 4. pathological examinations: muscle biopsy, skin lupus band, lacrimal gland biopsy, vascular biopsy, lymph node biopsy, etc.; 5. arthroscopy; 6. other: bone density, corneal fluorescence staining, tear film rupture test, Schirmer ‘s test, saliva flow, joint fluid examination, etc.