Inexplicable pain in the root of the ring finger of the palm may be caused by tenosynovitis, trauma, rheumatoid arthritis and other reasons. 1. Tenosynovitis: caused by long-term labor, in the early stage of the disease will occur when the finger bending popping and accompanied by pain, hand joints are not sensitive to movement and other clinical symptoms. 2. Trauma: Trauma can lead to muscle and bone injury of the fingers, and there will be pain in the injured area and impaired mobility, and the patient has a history of trauma, which needs to be dealt with in a timely manner. 3. Rheumatoid arthritis: mainly caused by synovial lesions, belongs to an autoimmune disease, when the synovial membrane hyperplasia is more pronounced, ultimately leading to damage to the joint cartilage, bone tissue, there will be obvious stiffness, pain phenomenon, usually lasts about half an hour. It is recommended that patients with inexplicable pain in the root of the ring finger of the palm of the hand go to the hospital for examination in a timely manner, and the doctor will give judgment according to the clinical evidence, and clarify the cause of the disease and timely treatment.