Pain in the first joint of the ring finger may be caused by physiological factors such as cold joints and over-activity of the joints, or it may be caused by osteoarthritis, bone spurs and other diseases. 1. Physiological factors: usually patients do not pay attention to hand warmth, resulting in cold joints, or excessive activity of the ring finger joints, the first joint pain of the ring finger often occurs, which is a normal physiological phenomenon. 2. Osteoarthritis: the etiology and pathogenesis are still unclear, mostly considered to be related to inflammation, age, obesity, trauma and other factors. Patients often appear joint pain and symptoms of pressure pain, which can be manifested as the first joint pain of the ring finger. Some patients can also be accompanied by limited joint activity, joint enlargement or deformity, joint weakness, muscle atrophy and so on. 3. Bone spurs: usually due to mechanical irritation, osteoarthritis, other autoimmune diseases and other conditions, and also related to heredity, excessive joint damage, congenital deformity and other factors. Most of the patients are asymptomatic, but if the pressure to the peripheral nerves, tendons, etc., then there may be pain, numbness, swelling and other symptoms, which may also appear in the first joint pain of the ring finger. And some patients may also touch the hard lump under the skin. In addition to the above factors, the symptoms may also be caused by rheumatoid arthritis, tenosynovitis and other diseases, and patients are advised to pay more attention to joint protection. If the above symptoms occur, it is recommended to consult a doctor in time to clarify the cause of the disease and carry out standardized treatment under the guidance of the doctor.