Rheumatoid factor 32.9U/ml suggests high, may be associated with rheumatoid arthritis, scleroderma, dry syndrome and other autoimmune diseases, but also can be seen in tuberculosis, infective endocarditis and other infectious diseases, but also can be seen in the normal elderly and some patients with tumors. Rheumatoid factor is a kind of autoantibody produced by the body stimulated by certain diseases, which mainly exists in the serum and joint fluid of people with rheumatoid arthritis, and the reference value of normal people’s rheumatoid factor is <20U/ml, therefore, the rheumatoid factor of 32.9U/ml is higher than the normal reference value. High rheumatoid factor is most commonly found in rheumatoid arthritis, in addition to autoimmune diseases such as polymyositis, systemic lupus erythematosus, scleroderma; infectious diseases such as infectious mononucleosis, tuberculosis, infective endocarditis, and other infectious diseases can also cause high rheumatoid factor. In addition, some normal elderly and some tumor patients may also have high rheumatoid factor. When the rheumatoid factor is high, it is recommended to consult the Rheumatology Department, and the differential diagnosis needs to be made under the guidance of the doctor.