Gout: when gout involves the finger joints, the joints will be swollen and painful, accompanied by redness of the skin, elevated skin temperature, and the formation of gout stones in severe cases, then the treatment of uric acid reduction should be carried out, and in severe cases, surgery may also be needed to remove it; 3. Rheumatoid: it can involve small joints and finger joints, and is often accompanied by deformities of the fingers, and then it is necessary to carry out the blood test and the anti-rheumatism treatment; 4. Stenosing tenosynovitis: the fingers can also be swollen and painful, and the palms of the fingers can also be accompanied by the deformities; 4. Stenosing tenosynovitis: when there is stenosing tenosynovitis in the fingers, there can also be swelling and pain in the joints, and pain in the palm side of the fingers, which should be treated with early physiotherapy, oral medication, closed treatment, and in severe cases, surgical treatment is also needed.