Finger stiffness and rigidity is considered to be the emergence of rheumatoid arthritis, gout, tenosynovitis and other diseases, but also other reasons, it is recommended to consult a doctor in a timely manner. 1. Rheumatoid arthritis, patients with rheumatoid arthritis due to their immune system is affected by the destruction of joint tissues, which may lead to redness, swelling and pain in the joints, so the fingers will appear hard and stiff symptoms. 2. Gout, patients due to elevated uric acid content in the body, which may lead to uric acid deposition in the joint tissues, so there will be stiff fingers and stiffness symptoms. 3. Tenosynovitis, patients with tenosynovitis due to edema within the tendon sheath pressure may lead to finger stiffness and rigidity symptoms. There are many reasons for the symptoms of stiffness and rigidity of the fingers, and it is recommended to consult a doctor in time.