Rheumatology specializes in diseases related to rheumatism and immunity. The pathogenesis of these diseases is related to abnormalities in the autoimmune system; autoantibodies attack their own normal tissues, resulting in such lesions. These diseases include: rheumatoid arthritis, systemic lupus erythematosus, dry syndrome, scleroderma, Behçet’s syndrome, and vascular abnormalities. These are all common diseases. Rheumatologic diseases usually involve connective tissues throughout the body and are rich in clinical manifestations. A series of laboratory tests to detect various antibodies and the patient’s clinical symptoms are needed to determine the cause of the disease. Rheumatologic diseases tend to present with a wide variety of pain in joints throughout the body. If the patient is experiencing such symptoms for a long time, it is recommended to visit the rheumatology department of the hospital, where detailed laboratory tests will be performed, followed by active symptomatic treatment.”