Finger joint pain may be caused by trauma, synovitis, tenosynovitis, osteoarthritis, gout and rheumatoid arthritis. 1. Trauma: If the patient’s finger joints are overactive, overworked, or cold, it will lead to soft tissue damage of the joints themselves, and inflammation of the soft tissues in the muscles, tendons, and joint capsule around the joints, which will lead to pain in the joints. 2. Synovitis: If the synovium is infected or irritated due to joint damage, cartilage degeneration, osteophytes and other factors, the patient will experience pain in the knuckles, and at the same time, the joints will be restricted. 3. Tenosynovitis: Knuckle pain may be caused by tenosynovitis, repeated mechanical friction, chronic aseptic inflammation will occur, localized pain, swelling, as well as restricted movement and other symptoms. 4. Arthritis: due to inflammation, infection, trauma and other factors caused by arthritic lesions, resulting in finger joint pain, accompanied by stiffness, joint dysfunction, etc., which seriously affects the patient’s life. 5. Gout and rheumatoid arthritis: Gout and rheumatoid arthritis can cause aseptic inflammation of synovial tissues of the joints, clinically appearing symptoms of knuckle pain. It is recommended that patients go to the hospital in a timely manner, under the diagnosis of the doctor, according to the patient’s specific condition performance, to take targeted treatment, life should be well protected, pay attention to rest.