Laboratory tests for rheumatic diseases are characterized by the detection of a variety of autoantibodies in the blood. We have carried out more than 20 related clinical tests such as: fluorometric anti-nuclear antibody (ANA) and anti-nuclear antibody series, anti-double-stranded DNA antibody (qualitative and quantitative), anti-ENA spectrum, anti-neutrophil cytoplasmic antibody (ANCA), anti-cardiolipin antibody (ACL), anti-synaptic antibody (ACA), anti-keratin antibody (AKA), anti-cyclic citrullinated peptide antibody (anti-CCP antibody), anti-mitochondrial antibody (AMA), anti-smooth muscle antibody (SMA), rheumatoid factor (RF), HLA-B27, etc.